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1. The participants in a television quiz show are picked from a large pool of applicants with approximately equal numbers of men and women. Among the last 12 participants there have been only 2 women. If participants are picked randomly, what is the probability of getting 2 or fewer women when 12 people are picked?
2. Find the indicated binomial probability. Round to five decimal places when necessary. In a certain college, 20% of the physics majors belong to ethnic minorities. If 10 students are selected at random from the physics majors, what is the probability that exactly 6 belong to an ethnic minority?
An emergency service wishes to see whether a relationship exists between the outside temperature and the number of emergency calls it receives for a 7-hour period. Find the equation for the least squares line
A multiple regression analysis includes 25 data points and 4 independent variables results in SST = 200 and SSR = 150. the multiple standard error of estimate will be?
A coworker is considering the use of a log linear (power) model using weight to estimate the cost of a missile engine.
a random sample of 900 individuals has been selected from a large population. it was found that 180 are regular users
A major benefit of two-way ANOVA over several one-way ANOVAs, If an F test for interaction is significant.
in a statistical test the probability of making type i and type ii error were found to be 0.0234 and 0.6 respectively.
mcneese and klein 1991 looked at the average particle size. specifications give the standard deviation of 2 microns. a
Psychometric Properties of the Test
He continues this until he draws a number that is less than the comparison value, at which point he continues his interrogation. If he draws a 3 as the comparison value, what is the expected number of lashes you will receive for that question?
Students that studied for more than one hour received a c+ or above on the final. Use a .05 significance level to test the professor's claim.
Explain how many cars would required to go by the speed trap to be 99.8% sure which at least one driver will warm oncoming traffic of the speed trap.
For this same sample of n = 45, find out the width of confidence interval around population mean? Illustrate all work.
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