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Asurvey of magazine subscribers showed that 45.8% rented a car during the past 12 months for business reasons, 54% rented a car during the past 12 months for personal reasons, and 30% rented a car during the past 12 months for both business and personal reasons.
a. What is the probability that a subscriber rented a car during the past 12 months for business or personal reasons?
b. What is the probability that a subscriber did not rent a car during the past 12 months for either business or personal reasons?
q1. the discussion surrounding the anova is very important. this is a widely utilized statistical tool. what is the
hypothesis test for difference between two population variances.a real estate agent in the coastal area of georgia
Find the sample mean and sample standard deviation of the amount citizens spend per year. When finding a confidence interval for the true mean spent of ALL citizens, should we use a z-score or a t-score? Why?
please answer both questions using a minimum of 100 words. use examples or references to support the solution. all
The men took an average of 20.5 hours per year of personal time with a standard deviation of 2.75 hours. What is the pooled estimate of the variance? Round to three decimal places.
What is wrong with this design? What confounds could be leading to the results of improved memory and problem-solving skills?
Quaker Oats is contemplating changing the shape of its box from the quaint cylinder presently in use. Different random samples were selected from five stores of similar size in the same region
Define and mention characteristics of normal probablity curve, Distinguish a group of 500 people into three groups assuming that the attribute of grouping is normally distributed.
Can we conclude that there is a difference in number of citations written between the officers? Use the 0.05 level of significance.
Standard deviation of 100. The top 3% of students receieve $500. What is the minimum score you would need to receive this money? Calculate the z-score.
what additional information is obtained from measurements on an interval scale compared to measurements on an ordinal
The random number generator on calculators randomly generates a number between 0 and 1. The random variable X, the number generated, follows a Uniform Probability Distribution. What is the probability of generating a number between 0 and 0.2?
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