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Assume that women's heights are normally distributed with a mean of 63.5in, and a standard deviation of 2.4in.
a) If a woman is randomly selected, find the probability that her height is less than 64 in
b) if 42 women are randomly selected, find the probability that they have a mean height less than 64 in
"If you took 40 employees at random from the corporation, there is a pretty good chance the average number of days absent would be 12 or more. That's what happened to us - chance variation." Is this a good defense? Justify your answer.
In an online survey of 4,001 respondents, 8% were classified as productivity enhancers who are comfortable with technology and use the Internet for its practical value (data extracted from M. Himowitz, "How to Tell What Kind of Tech User You Are,"..
1. jim takes a simple random sample of 15 from a very large population whose variance is unknown. she intends to
How many voters required to be sampled to evaluate the proportion within 0.05 with 95% confidence?
If all 3 eggs are good, the crate is shipped, otherwise it is rejected. what is the probability that a crate will be shipped if it contains 120 eggs, ofwhich 10 have blood clots?
someone is interested in studying property tax rates in the united states. he randomly selects 25 homes and looks up
question the appliance centre sells a variety of electronic equipment and home appliances. for the last four years
Given that both balls selected are white what is the probability that bowl 3 was selected?
q1 which of the given represents difference in 2 population means?nbspi micro1 - micro 2ii p1 p2iii p1 - p2iv micro 1
the mean television viewing for americans is 15 hour per week monday november 2003. suppose a sample of 80 americans is
it is known that the amount of time needed to change the oil on a car is normally distributed with a standard deviation
morens department store has a special sale whereby each customer upon checkout chooses a random ticket that is labeled
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