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Suppose that 66% of all college seniors have a job prior to graduation. If a random sample of 95 college seniors is taken, approximate the probability that at least 65 have a job prior to graduation. Use the normal approximation to the binomial with a correction for continuity.
Please round your answer to at least three decimal places. Do not round any intermediate steps.
according to the 2003 law enforcement management and administrative statistics lemas survey there was a mean of 1.32 s
car manufacturers advertise gas consumption for new cars. standards require mileage estimates to be within a plus or
How large a sample is needed if the principal would like to assert with 90% confidence that the sample mean is off by, at most, 7 minutes. Assume σ = 14 minutes.
In January of 2007, the responses reflected an increased belief that global warming is real and due to human activity.- List the errors in this display.
1. you want to have 1 million in your investment account in 17 years and estimate that you ran earn an 12 rate of
In an online survey of 4001 respondents, 8% were classified as productivity enhancers who are comfortable with technology and use the internet for its practical value. Suppose you select a sample of 400 students at your school, and the population ..
Careful statistical studies often include examination of potential lurking variables. This was true of the study of the effect of nonexercise activity
A recent study gave the information shown in the table about ages of children receiving toys. The percentages represent all toys sold.
What percent of the sales representatives earn more than $42,000 per year? What percent of the sales representatives earn between $32,000 and $42,000?
An investor is considering two brokerage firms. One is a discount broker offering no investment advice, but charging only $50 for the amount the investor.
How fast would a player need to make a goal to be sponsored by the puck company?
Perform a goodness-of-fit test to determine whether the local results follow the distribution of the U.S. overall student population based on ethnicity.
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