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Each year, ratings are compiled concerning the performance of new cars during the first 90 days of use.
Suppose that the cars have been categorized according to whether a car needs warranty-related repair (yes or no) and the country in which the company manufacturing a car is based (United States or not United States). Based on the data collected, the probability that the new car needs a warranty repair is 0.04, the probability that the car was manufactured by a U.S.-based company is 0.60, and the probability that the new car needs a warranty repair and was manufactured by a
U.S.-based company is 0.025. Construct a contingency table to evaluate the probabilities of a warranty-related repair.
What is the probability that a new car selected at random
a. Needs a warranty repair?
b. Needs a warranty repair and was manufactured by a U.S.- based company?
c. Needs a warranty repair or was manufactured by a U.S.- based company?
d. Needs a warranty repair or was not manufactured by a U.S.-based company?
Which of the following is a major difference between the binomial and the hypergeometric distributions?
Assume you are given data from a survey showing the IQ of each person interviewed and the IQ of his or her mother. That is all the information you have.
question a number of post-1983 pennies and post-1964 quarters were weighed. here is a summary of the resultspennies n
a discrete random variable can be described as binomial distribution if is satisfies four conditions briefly discuss
Four research participants take a test of mannual dexterity (high scores mean better dexterity) and anxiety test (high scores mean more anxiety). Scores are as follows:
Illustrate what can we say about the probability distribution. Is it approximately normal, elucidate the mean and standard deviation.
Analyze whether or not patients undergoing this treatment are illustrating significant change from baseline to 3 months afterward. Report a p-value.
If he knows that the measurements follow a normal distribution and the standard deviation for this procedure is 1.2 degrees, what is the confidence interval for the population mean at a 95% confidence level?
Determine whether and how each of the following factors would shift the demand curve for chiropractic visits:
Suppose that the following data were obtained for a collection of archaeological sites in New Mexico: Calculate the sample correlation coefficient r.
a pair of dice is rolled 5 times. find the probability that a total of 11 occurs twice before a total of 5
the triton energy corporation explores for and produces oil and gas. company president gail freeman wants to have her
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