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Identifying Gender Discrimination After being rejected for employment, Kim Kelly learns that the Bellevue Advertising Company has hired only 21 women among its last 62 new employees. She also learns that the pool of applicants is very large, with an equal number of qualified men and women. Help her in her charge of gender discrimination by estimating the probability of getting 21 or fewer women when 62 people are hired, assuming no discrimination based on gender. Does the resulting probability really support such a charge?
a manufacturer of industrial solvent guarantees its customers that each drum of solvent they ship out contains at least
carpetland salespersons average 8000 per week in sales steve contois the firms vice president proposes a compensation
create a binomial distribution. compute the n at 10 100 1000 and
Does the overall data support the mayor's claim?
a scientist attempts to perform a difficult experiment. she is successful in about 80 of her attempts. she attempts the
Should you use a two tailed test versus the one tailed test? If the hypothesis is non-directional and you predict a difference between the means but do not specify which mean will be higher a two tailed test should be used.
At the .01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month? What is the p-value?
In order to estimate the proportion of families who prefer female baby-sitters to male baby-sitters with an error of at most 8 percentage points and with at least 95 percent confidence, how large a sample should be taken?
the weights in pounds of discarded plastic from a sample of households summary statistics are n62 x1.911 s1.065 use a
A software company wants to determine whether there is a relationship between their three sales offices and the sales of their software products. The actual sales results are
In standardized form, the normal distribution a) Has a mean of 0 and a standard deviation of 1 b) Has a mean of 1 and a variance of 0 c) Has an area equal to 0.5 d) Cannot be used to approximate discrete probability distributions
1.we are establishing a quality control program for a process and need to establish the mean and standard deviation for
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