Start your trial now! First week only $4.99!*arrow_forward*

Question

Use the following probabilities to answer the question. Round to 4 decimal places.

P(A) = 0.65, P (B) =0.3 P(A and B) =0.05 . P(B/A)=

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: Avarege GPA questions. Data include.

A: Note: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not me...

Q: Professor Jennings claims that only 35% of the students at Flora College work while attending school...

A: (a) Level of significance:It is given that to test whether more than 35% of the students have jobs, ...

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you bel...

A: According to previous evidence, the population proportion (p) is 36%, that is, 0.36.Here, the margin...

Q: Evaluate the following expression. Express your answer as a fraction or decimal number rounded to fo...

A: The required formulae to find the value of given expression is given below:

Q: Suppose x has a normal distribution with mean μ = 28 and standard deviation σ = 7.Describe the distr...

A: Note:Hi there! Thank you for posting the question. Your question asks about the “distribution of x v...

Q: A farmer wants to test if a new fertilizer will produce more massive crops. In order to do this, he ...

A: Paired t-test statistic:In order to test a hypothesis regarding whether the difference between a pai...

Q: A computer system uses passwords that contain exactly 6 characters, and each character is 1 of the 2...

A: We have to make a password of 6 digits whose digits can be 26 lowercase alphabets, 26 uppercase alp...

Q: 2.) Two distinct fair dice are rolled at the same time and the number of dots appearing on both are ...

A: Probability that the sum is 3It is possible only in following combinations:Dice one has 1 dice and d...

Q: A researcher wants to investigate whether mindfulness training improves ability for employees to not...

A: According to the provided information, if there is a main effect of disposition, then there is an ef...

Q: Suppose that we have the data {x1, x2, ..., xn} such that x1=x2=...=xn=3. What is the mean of the da...

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: Recall that Benford's Law claims that numbers chosen from very large data files tend to have "1" as ...

A: Hello there! there are moe than three subparts in the question. According to our policies cannot ans...

Q: I asked this question before, and got an answer, but I have a question about the response that was g...

A: The formula that you shared from the text book is used for time-value-of-money calculations. Such a ...

Q: Is the national crime rate really going down? Some sociologists say yes! They say that the reason fo...

A: 1) Computation of test statistic:Here, the appropriate test to check whether the population proporti...

Q: Listed below are the amounts of mercury (in parts per million, or ppm) found in tuna sushi sample...

A: In this question, we have the data of amount of mercury in tuna sushi stores using the data we have ...

Q: A population has a mean of 15 and standard deviation of 3. Round the answers to two decimal places a...

A: Let X be the observation. X follows normal distribution with mean μ = 15 and the standard deviation ...

Q: Make a frequency table, a pie chart, and a bar plot for the following data for patients' blood types...

A: Frequency distribution:The number of times each value of X repeats is the frequency of that particul...

Q: If 25% of U.S. federal prison inmates are not U.S. citizens, find the probablity that 2 randomly sel...

A: Hello there! There are more than one question in the file shared. According to our policies cannot a...

Q: Consider the following multiple regression model : y hat = -6.72 + 0.51x1 - 0.69x2 + 1.452x...

A: The given multiple regression model is as follows:

Q: A student takes a multiple choice test that has 11 questions. Each question has four choices. The st...

A: Identifying the distribution:It is given that the student takes a multiple choice test that has 11 q...

Q: Which statement regarding correlation is true? A. The dependent variable is assigned to the Y axi...

A: Correlation coefficient - r:The Karl Pearson’s product-moment correlation coefficient or simply, the...

Q: . For two factors-starchy or sugary, and green base leaf or white base leaf-the following counts for...

A: Introduction:Denote X1, X2, X3 and X4 as the counts for the progeny of self-fertilized heterozygotes...

Q: Jobs and productivity! How do banks rate? One way to answer this question is to examine annual profi...

A: (a)Using the provided data, the sample mean can be calculated using Excel function “AVERAGE()”.Enter...

Q: Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and...

A: Let r denote the linear correlation between advertising cost (x) and profit (y). The hypotheses are ...

Q: The CEO of a cable company claims that the population mean wait time for callers at a company's cust...

A: The aim is to find the accurate statement from the following options to evaluate the population mean...

Q: given that the sample mean=105, pop standard deviation=27, n=44, a=0.01 what is the critical s-score

A: Note: In this question it has mentioned that we have to find the s – score but it seems that it is a...

Q: Using the table below, determine the critical value or values for a hypothesis test for a proportion...

A: It is provided that the test is right tailed and the significance level is 1%.So, the critical value...

Q: If the probability for an event E is P(E)=0.4, then what are the odds against E?

A: Odds against an event:The odds against an event is given by the ratio of the probability of the even...

Q: NORMAL DISTRI BUTION (PINKIE LENGTH) Class Time: Names: STUDENT LEARNING OUTCOMES The student will c...

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...

Q: If a chicken and a half lays an egg and a half in a day and a half how many eggs can 30 chickens lay...

A: It is given that a chicken and a half lays an egg and a half, in a day and half.That is, 1.5 chicken...

Q: Consider a sample of 54 football games, where 28 of them were won by the home team. Use a 0.05 signi...

A: Test statistic calculation:The probability that the number of home team wins will be greater than on...

Q: A hospital reported that the normal death rate for patients with extensive burns (more than 40% of s...

A: The provided information are:

Q: Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). T...

A: In this question, we have the patients calcium reading, using that we have to find the Mean, Standar...

Q: Stories in the Tallest Builidings The numbers of stories in the 13 tallest buildings are for two dif...

A: Measures of variability:The measure of variability or the measures of dispersion can be measured usi...

Q: A grocery store manager did a study to look at the relationship between the amount of time (in minut...

A: The estimated regression line is as follows:

Q: You are the manager of a Surgi-Center that performs minor surgical cases. The Center has 5 operating...

A: The aim is to find the daily capacity of the Center in cases.Here, the time taken to perform each ca...

Q: You receive a brochure from a large university. The brochure indicates that the mean class size for...

A: According to the given question, to test the claim that The brochure indicates that the mean class s...

Q: Suppose that from the past experience a professor knows that the test score of a student taking his ...

A: If a random variable X has a distribution with mean µ and standard deviation σ, then the Z-score is ...

Q: (c) In 1997, the U.S. population was approximately 266,570,000 people. At the rate of 440 prisoners ...

A: Given number of prisoners for 100,000 population = 440Rate of prisoners = 440/100,000U S population ...

Q: According to a random sample taken at 12 A.M., body temperatures of healthy adults have a bell-shape...

A: Chebyshev’s inequality:Chebyshev’s rule is appropriate for any distribution. That is, Chebyshev’s in...

Q: Use the normal distribution of SAT critical reading scores for which the mean is 513513 and the stan...

A: NOTE:Since, the numbers on the values of mean and standard deviation are repeating twice (513513 and...

Q: You are a graduate student in an M.D./Ph.D program, attempting a study of the efficacy of different ...

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y b...

A: Part (a):The scatter diagram, along with the best fitted line (least-squares regression line) for th...

Q: Consider a drug that is used to help prevent blood clots in certain patients. In clinical trials, am...

A: Test statistic calculation:The test hypotheses are:Null hypothesis:H0: p = 0.03, that is, 3% in the ...

Q: A physician wants to determine if a supplement is effective in helping men lose weight. She takes a ...

A: It is given that the sample size (n) is 6 and the hypothesized test is left- tailed. The level of si...

Q: A physician wants to test if temperature has an effect on heart rate. In order to do this, she compa...

A: In this question, it has been given,Test Statistics = 5.627Level of significance = 0.05Rejection Reg...

Q: In a study of minimizing tractor skidding distances along a new road in a European forest, the skidd...

A: Here, the sample size (n) is 20.The mean and standard deviation of the sample data is calculated bel...

Q: The following joint probability distribution summarize the doctoral degrees conferred in the social ...

A: In this question, a table has given to us which shows the joint probability distribution, based on w...

Q: The number of unhealthy days based on the AQI ( Air Quality Index) for a random sample of metropolit...

A: Confidence interval:The (1-α) % confidence interval for population mean µ, when σ is unknown is give...

Q: Question b

A: B)The variables whose level are set by the experimenter is called as the factor of an experiment. It...

Q: A researcher wants to test to see if husbands are significantly older than their wives. To do this, ...

A: Paired t-test statistic:In order to test a hypothesis regarding whether the difference between a pai...