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A committee of 7 members is to be formed by selecting members at random from a pool of 14 candidates consisting of 5 women and 9 men.
a. What is the probability that there will be at least three women in the committee?
b. It is desired to increase the chance that there are at least three women in the committee to 80% by doing one of the following:
i. Adding more women to the pool.
ii. Removing some men from the pool.
For each of the two options, find out how many should be added or removed.
Use the data in Problem 1 and develop a regression model to predict selling price based on the square footage and number of bedrooms. Use this to predict the selling price of a 2,000-square-foot house with 3 bedrooms.
State the underlying assumptions for the statistical test. State whether the assumptions have been met. If the assumptions were not met (either in actuality or hypothetically), state what alternatives you have available to you
the lifetime of a mechanical assembly in a vibration test is exponentially distributed with a mean of 400 hours.a what
Bond Prices [ LO2] Ninja Co. issued 14- year bonds a year ago at a coupon rate of 6.9 percent. The bonds make semiannual payments. If the YTM on these bonds is 5.2 percent, what is the current bond price?
question 1a food research laboratory conducts a series of taste tests to compare two sauce recipes a and b. customers
on saturdays cars arrive at sami schmitts scrub and shine car wash at the rate of 6 cars per fifteen-minute interval.
If you arbitrarily grab 2 socks out of drawer determine the probability that you grab a matching pair?
After the presidential debates, a random sample of 1200 voters showed that 540 favored the Democratic candidate; 480 were in favor of the Republican candidate; 40 were in favor of the Independent candidate, and 140 were undecided. At a 1% level of..
Could you detail the value of using standard scores (Z scores) to compare relative performance of individual test scores.
Two persons have 16 and 32 dollars, respectively. They bet one dollar on each of 900 independent tosses of an un biased coin. What is an approximation to the probability that neither person is in debt at the end of the 900 trials?
show all steps in hypothesis testing there are 4a sample is selected from a population with micro 80. after a
Repeat (i) for n = 20,p = 0.5 for the binomial random variable, and λ = 10 for the Poisson random variable.
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