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suppose a probability experiment consist of tossing a fair coin 200 times. assume that heads or tails are equally likely to occur on any 1 toss. what is the probability that the number of tails is between 87 and 100 inclusive. round the final answer to 4 decimal places.
Make a probability distribution chart using reduced fractions to show the following information: The chart below shows the number of committee members who attended a meeting.
If the opinion poll had announced the margin of error for 80% confidence rather than 95% confidence, this margin of error would be?
A large population of overdue bills has balances that follow a normal curve. When we take a sample of 100 of these the average is $500 and the standard deviation is $100. (a) what statement can you make about the range $300 to $700? (b) what state..
A professor wants to conduct a study to know whether the grades she gives to her students affect their evaluations of her. She teaches four classes of ten students each.
What is the probability that none can transact business in a foreign language?
Briefly identify and contrast the methods used by the psychoanalytic perspective, the humanistic perspective, and the trait perspective to assess personality.
At.01 significance level, is there relationship between job pressure and age?
Using the critical value approach and the sample information reported below, carry out a test of this statement. Let α = 0.05.
Provided that the selected student excels in sports, determine the probability that the student is a boy?
How many Kleenex should the kimberly Clark Corporation package of tissues contain? Researchers determined that 60 tissues is the average number of tissues used during a cold.
A recent article in Vitality magazine reported that the mean amount of leisure time per week for American men is 40.0 hours. You believe this figure is too large and decide to conduct your own test.
Calculate the population mean margin of error for a 90% confidence interval when sigma is 4 and sample size is 36. Standard IQ test has mean of 98 and standard deviation of 16.
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