You have four different strategic business plans you can select to implement against
your competitors. You estimate that the probability that the competitors are aware of
your strategies is 0.3, and 0.7 that they are unaware. The payoffs estimated for each
scenario are shown next.
What is the minimax choice?
When testing a hypothesis regarding the equality of two population means, what is the
analogy to a blocking variable?
List some example items that are included in the CPI that represent a typical “market
basket” of goods.
To compare the effect of weather on sales of soft drinks, a distributor surveyed people
in two regions of the country and asked if they purchased soft drinks in the last month.
The following are the results. The distributor would like to know if there is a difference
in sales between the two regions.
Using the 1% level of significance, what is the critical value?
A company’s managers evaluated their employees into three classes: excellent
performance, good performance, and poor performance. The following is a frequency
distribution of the results.
What is the probability that a randomly selected employee was rated excellent or good?
In flipping a fair coin, what is the probability of both heads and tails on one toss?
A soap manufacturer is experimenting with several formulas of soap powder. Three of
the formulas were selected for further testing by a panel of homemakers. The ratings for
the three formulas are as follows:
What is the value of chi-square at the 5% level of significance?
In a deck of cards, a class of all cards that are hearts and a class of all cards that are
kings are NOT _____________.
A bottle cap manufacturer with four machines and six operators wants to see if variation
in production is due to the machines and/or the operators. The ANOVA table follows.
What is the critical value of F for the machine treatment effect at the 1% level of
significance?