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1. Use a Wald-Wolfowitz runs test to assess whether the data provided by the cereal manufacturer in Prob lem 10.1 might be the outcome of a random sample from some population distribution. The observations occurred sequentially rowwise. Use a size .OS test.
2. Test whether the data of the cereal manufacturer provided in Problem can be interpreted as an out come of a random sample from the specific normal population distribution claimed, i.e., test Ho : Z - N(16.03, .0001) versus Ha: not H 0
Faced with rising fax costs, a firm issued a guideline that transmissions of ten pages or more should be sent by two-day mail instead. Exceptions are allowed, but they want the average to be ten or below. Use Excel to find the right-tail p value
What percentage of population scored between the mean and Jorge?
three identical opaque urns each contain four marbles of identical size and weight. one urn contains 3 black marbles
bobs sporting goods believes the average age of its customers is 40 or less. a random sample of 60 customers was
assuming that ssy is constant which of the following correlations would have the smallest ssresidual?please explain
Determine the critical z values. Suppose that normal distribution applies. Right-tailed test; standard deviation = 0.04.
Mean 504 and standard deviation 111. A sample of size 1000 is obtained from this population. What is the mean of the sampling distribution of the sample mean?
an elevator in a building starts with 6 people and stops at 8 floors. assuming that all permutations of the passengers
Braking distances of cars. A random sample of 13 four-cylinder cars is obtained and braking distances are measured and found to have a mean of 137.5 ft. and a standard deviation of 5.8 ft.
one classic use of the normal distribution is inspired by a letter to dear abby in which a wife claimed to have given
As part of this trial, they wish to determine whether there is a difference between the effectiveness for women and for men. At = .05, what is the test value?
a 5-card poker hand is dealt. find the probability of gettinga four of a kindb three of a
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