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You've been hired by the Nevada Gaming Commission to look into a suspicious roulette wheel. This roulette wheel has 2 green slots among its 38 slots, and patrons have complained that green occurs too often. You plan to observe many spins and record the number of times that green occurs.
Your goal is to form a 95% confidence interval for the proportion of times green occurs with a margin of error no bigger than 0.005. How many spins do you plan to observe? Write a brief summary explaining your calculations.
To determine whether having relationship with the opposite sex in college is detrimental to one's grade, the following grade point averages of 10 students were.
Discuss the assumptions and conditions for using Student's t inference methods with these data. Here are some plots that may help you decide whether the methods can be used:
consider a multiple regression model y beta0 beta1 x1 beta2 x2 beta3 x3 to fit these data which consist of
What developmental milestones and behaviors signify an adolescent's attempt to transition from parental dependence to independence?
suppose that a basketball player can score on a particular shot with probality .3. use the central limit theorem to
The manufacturer wanted to determine if the tires were exceeding the guarantee. At the .05 significant level, it was concluded that the tires are exceeding the manufacturer's guarantee.
The probability of a policy holder is making: the $30 payment is 4; the $60 payment is I; and the$90 payment is 3. Find the expected value of a payout.
An online site presented this question, "Would the recent norovirus outbreak deter you from taking a cruise?" Among the 34, 123 people who responded, 63% answered "yes." Use the sample data to construct a 95% confidence interval estimate for the p..
A batch of invoices being audited has 5% of the invoices in error. A sample of 10 invoices is taken at random from the batch. What is the probability that the sample will contain i. exactly two incorrect invoices? ii. less than two incorrect inv..
What is the probability that the next highway fatality experienced by the association will not occur until more than a year from now? Until more than 2 years from now?
a batch of 50 different automatic typewriters contains exactly 10 defective machines. what is the probability of
the performance of quality inspectors affects both the quality of outgoing products and the cost the products. a
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