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Question: The Better Business Bureau (BBB) wants to determine whether a certain business is engaging in fair hiring practices. The BBB finds that a local business employs 66 men and 34 women. The general population of workers in this industry is 60% men and 40% women. Using a chi-square goodness-of-fit test, decide to retain or reject the null hypothesis that the distribution of men and women in the local business is consistent with, or proportional to, that in the general population of workers. Use a .05 level of significance.
Completion of today's paper. If X denotes the number of papers belonging to seniors among those checked, will X have a binomial distributuin?
Open the SPSS sample database called bankloan.sav, and calculate the following statistics for all variables measured at the scale level: mean, std. deviation.
If x has infinitely many ancestors, then how is h(x ) chosen according to the proof of the equivalence theorem (1.4.1)?
There are about 1 × 1044 air molecules in the atmosphere and about 2 × 1022 molecules of air in a single breath taken at rest. What is the probability that the breath that you took just now contained at least one molecule of air that was exhaled b..
Distinguish between a randomized block design and a Latin square design. What are the advantages and disadvantages of a Latin square design?
an ad is placed in newspapers in four counties asking for volunteers to test a new medication for reducing blood
The analysis used a sample of 60 runs of each software package-computer combination. Complete an ANOVA table for this analysis, carry out the tests, and state your conclusions.
give two suggestions regarding how a statistician might generate probability estimates when empirical data is
The time in minutes until the paint was dry enough for a second coat to be applied was recorded. The following data were obtained. Test to see whether the mean drying time is the same for each type of paint.
in a one-tail hypothesis test where you reject h0 only in the upper tail and the p-value is .0228 assuming zstate 2.00
Translate the following arguments into symbolic form.- If birth-control devices are made available in high school clinics, then the incidence of teenage pregnancy will decrease.
if a person bought one share of google stock within the last year what is the probability that the stock on that day
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