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At a certain university the average attendance at basketball games has been 3325. Due to the dismal showing at the team this year, the attendance for the first 8 games has averaged only 2965 with a standard deviation of 735. The athletic director claims that the atendance is the same as last year. What is the test value needed to evaluate the claim?a) 1.39
b) 2.65
c) 3.07
d) 3.92
Which component of a time series is most likely to occur? Which component has a pattern that must be complete in a single year and repeat from year to year?
Investment A has an expected return of $25 million and Investment B has an expected return of $5 million. Market risk analysts believe the standard deviation of the return from A is $10 million
If the test is positive, what is the probability that this person actually has heart disease?
Confirm that these statements are accurate by finding the geometric mean rate of increase.
Variance of 4.2 and mean of 23.2 were calculated. Find out 95% confidence interval on mean and standard deviation. Describe any potential problems with this analysis.
Show the graph of the probability density function for flight time.
a. What is the probability of a type I error? b. Give the formula for the test statistic.
When we carry out a chi-square test of independence, the expected frequencies are based upon the Null hypothesis - true or false.
The probability of Toyota building a new production plant is 70% and the probability of GM building a new one is 50%. The following are the probabilities associated with the countries Toyota would build a new plant:
Is the normal distribution (or its special case, the standard normal distribution) effective in characterizing situations and/or in helping managers make decisions?
A particular product is known to have an exponential failure time distribution with a mean of 12 months.
Perform Repeated Measures ANOVA also calculate PRE. An educational study uses a simple pre-post design to assess the value of a computer tutor for solving inequalities.
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