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The makers of the candy M&Ms report that their plain M&Ms are composed of 15% yellow, 10% red, 20% orange, 25% blue, 15% green, and 15% brown. Suppose you randomly select an M&M, what is the probability of the following?
a. It is brown.b. It is red or green.c. It is not blue.d. It is both red and brown.
an important feature of golf cart batteries is the number of minutes they will perform before needing to be recharged.
a previous analysis of paper boxes showed that the standard deviation of their lengths is 15 millimeters. a packer
The reason sample variance has a divisor of n-1 rather than n is that it makes the sample standard deviation an unbiased estimate of the population standard deviation.
Suppose that you have a sample mean of 49 and a standard deviation of 3, but now found those values from a sample of 20 observations. test the hypothesis allowing for type 1 error to equal .05.
A random sample of 15 Golden Retrievers has an average weight of 66 lb. The percentile rank of this sample is: A.85. B.10. C.90. D.80. E.93.
A client has an out-of-control system and a recommendation has been made to hire an internal accountant.
in a poker game 5 cards are dealt from a standard 52 card deck that has been well shuffled. you are the only player in
twenty of the 100 dvd players an inventory are defective. what is the probability you randomly select one that is
find the indicated binomial probabilities
In tests of a speed-reading course, it is found that 10 subjects increased their reading speed by an average of 200 words per minute, with a standard deviation of 75 words. At the 0.10 level, does this sample information suggest that the cours..
whats a difference between the z distribution and the t distribution?they have different meansthey have different
Construct a frequency distribution of the sample mean, and plot a histogram of this distribution. Use the central limit theorem to calculate and identify the sampling distribution of the sample mean.
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