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What do you conclude about the claim below? Do not use formal procedures or exact calculations. Use only the rare event rule and make a subjective estimate to determine whether then event is likely.
Claim: An employee of a company is equally likely to take a sick day on any day of the week. Last year, the total number of sick days taken by all the employees of the company was 143. Of these, 52 were Mondays, 14 were Tuesdays, 17 were Wednesdays, 17 were Thursdays, and 43 were Fridays.
smith travel research provides information on the one-night cost of hotel rooms throughout the united states usa today
Find a 95% confidence interval for the mean amount of money µ spent at the waiter's tables.
1.makers of generic drugs are required to demonstrate that their generic drug does not differ significantly from the
Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. What is the lower limit of the 90% confidence intervel? What is the upper limit of the 90% confidence interval?
Test the hypothesis that the proportion of all student cell phone users in the United States who own a smartphone is 35%. Use the 5% level of significance and report your results.
Create a 2 X 2 from the information provided and calculate the appropriate statistic to determine the odds of contracting uterine cancer when using estrogen
Consider babies born in the "normal" range of 37 - 43 weeks gestational age. What is the probability that the birth weight of a randomly selected baby of this type:
A manager receives a forecast for next year. Demand is projected to be 600 units for the first half of the year and 900 units for the second half.
Illustrate by computation that, for straight -line regression of Y on x, β1= 0.
1.a study of cardiovascular risk factors compared heavy smokers light smokers and nonsmokers. both men and women were
She believes that the number of customers served on weekdays follows a normal distribution. Construct an 99% confidence interval of the average number of customers served on weekdays.
Known population of 1000 students to construct a 95% confidence interval for teh average SAT score. What correction factor should be used to compute the standard error?
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