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Your class took a test and the students earned the following scores:
77
64
86
97
105
85
61
96
84
73
Find the mean ______________ and the standard deviation _____________
Find the z-score for your grade of 86 _____________
Determine the probability of exactly one success given Poisson distribution with mean of 2.0.
What value is standard deviation for this data? What type of probability is this?
If the basket ball player is a 74% free throw shooter, then, on average, how many free throws will he or she make in a game with eight free throw attempts?
The data in the scatterplot below are an individual's weight and the time it takes (in seconds) on a treadmill to raise his or her pulse rate to 140 beats per minute. The o's correspond to females and the +'s to males.
There are 6 children in a family. The number of children defines a population. The number of simple random samples of size 2 that are possible equals:
If they must form an ethics subcommittee of 4 members, how many different subcommittees are possible?
Standard deviation was increased to 40, determine the overall effect on their society? Would this change be a good thing?
Crystal Ball requires the following steps:
In 1,000 samples, assuming that H 0 is true, how many times would you expect to commit Type I error if:
Their resting heart rates were measured. A partial ANOVA table is given.
The price of XYZ Corporation stock is normally distributed all through the year with mean of $42.00 per share and a standard deviation of $2.25 per share. Suppose that the stock is traded 240 days out of the year.
An experiment was performed to investigate lifetime of a component exposed to high heat. Three different oven types were used at either 550°F or 600°F.
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