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A sample of workers found that 120 out of 200 preferred flexi-time scheduling over work at home options. In the past management has found 70% of workers preferred the flex option.
a) Do a test to see if workers attitudes on this matter have changed using a 90% alpha.
b) Explain to management what your findings are and what this suggests about future decisions vs work options.
Based on these data, explain whether or not course attendance had any effect on determining of a restaurants violation of health code.
Make a point estimate and a 95% confidence interval estimate.
If the mean IQ of all Omega University students was equal to 115, and a small random sample of students was selected from the population whose mean IQ was 120, then this difference of 5 points would equal the:
Determine critical value if alpha = 0.05? If p-value for this test is 0.025, this p-value means?
Point out your final decision concerning hypothesis test and compute p-value for test.
What is the probability that a cereal would both high calorie and high fiber? In other words, what is P (high calorie and high fiber)?
What is the probability of drawing two diamonds after discarding 5 and 7.
Find the value for the correlation coefficient r.
Problem based on combinatory - how many different license plates are possible?
Calculate estimated Cohen's d to measure size of treatment effect.
What is the probability that the project will be completed in 17 months or less?
A simple random sample of 1000 Americans found that 61% were satisfied with the service provided by the dealer from which they bought their car.
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