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Suppose that SAT score is normally distributed with a mean 988 and a standard deviation of 211 in 2004.A local college plans to set up a scholarship budget for 2005 where $5000 will be awarded to each incoming freshman whose SAT score is higher than 1500. They expect about 5000 applicants each year. What is the expected scholarship fund in 2005? In other words, how much is it appropriate for the plan for scholarship expenditure in 2005 budget?
A marketing research firm wishes to estimate the proportion of adults who are planning to buy a new car in the next 6 months. A simple random sample of 100 adults led to 22 who were planning to buy a new car in the next 6 months.
For sample of size 100, what is the mean and standard deviation of the sample mean.
Would it be reasonable to conclude that the population distribution is Poisson with a mean of 2.0?
Make a histogram showing the probabilties of r = 0, 1, 2, 3, 4, 5, 6, 7 or 8 defective syringes in a random sample of 8 syringes.
The p-value for a test statistic is .085, what is the minimum level of significance required to reject the null hypothesis?
Assume that the process is in control and that the population of all jar fills is normally distributed.
Using symbols mention null hypothesis and alternative hypothesis.
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.
Solve different inventory control problems using an appropriate OR method.
What does null hypothesis for repeated-measures hypothesis test state?
You decide to predict gasoline prices in different cities and towns in the U.S. for your term project. Your dependent variable is price of gasoline per gallon and your explanatory variables are per capita income
The time it takes a student to finish a electronics test has a uniform distribution between 50 and 70 minutes.
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