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Jill wants to do her MBA in Statistics at a B.C. university. She applies to two universities that offer post-graduate degrees in Statistics. Assume that the acceptance rate at University A is 25% and at University B is 35%. Further assume that acceptance at the two universities are independant events.
A) What is the probability that Jill will be accepted by both universities?
B) What is the probability that neither university will accept Jane?
C) What is the probability that Jill will be accepted by at least one of the two universities?
D) What is the probability that one and only one will accept Jill?
As the Marketing Director of Harley-Davidson, you need to determine what your customers would like in the next model. You put a survey on the Harley Web site. Is this a good frame from which to select your sample? Explain.
Use a 0.05 significance level to test the claim that king-size cigarettes with filters have a lower mean amount of nicotine than the mean amount of nicotine in non-filtered king-size cigarettes.
Find out the probability that: (a) The amount requested is between $65,000 or more?
Explain the independent variable, covariate, and levels (groups) of eah. Also, explain the dependent variable and its associated measurement scale and expected outcome.
Calculated the probability of observing a sample proportion of voters 0.55 or higher supporting the incumbent governor.
He randomly samples 45 oil wells throughout the United States and determines the mean output to be 10.7 barrels per day with a standard deviation of 1.3 barrels. Test the researcher's claim at the .025 level of significance.
A certain firm specializing in the manufacture and sale of free time clothing has 80 retail stores in Florida and 140 in California. With each state as a stratum, the firm wishes to estimate average sick-leave time per employee for the past year
Calculate the correlation and the regression equation and plot the data in the space provided.
In a group of six professors selected at random, what is the expected number of extroverts? What is the standard deviation of the distribution?
Using your own experience, estimate the probability the local weather forecast is correct. Explain the rationale behind your estimate.
One school found that 28.6% of all students are liberal. You wonder whether this percentage is different at your school, but don't know whether it's higher or lower. What hypotheses will you test to see if your school significantly differs from th..
At the .05 significance level, is the number of units produced on the afternoon shift larger?
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