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Question: Five factories reported the following numbers of minor accidents in a year:.
Factory
1
2
3
4
5
Number of accidents
23
45
18
34
28
Does this suggest that some factories have more accidents than others?
Compute the mean and variance of the following discrete probability distribution.
q1 the weights of packets of cookies produced by a manufacturer have a normal distribution with mean 202 grams and
Conduct a one-tailed hypothesis test for the mean at the .025 significance level. State the null and alternative. State the critical value. Draw a diagram. Provide the computation of the test statistics. State your decision in terms of the null hy..
questionharry r.m.pittsthedirectoroflegalofcouncilofvancouverwillhaveto makeanumberoftoughdecisionsin the upcoming
Represent (X,Y) as a function of (U,V). Find the joint density f(u,v) for (U,V) (Hint: take into account the region where it is non-zero). Calculate f(1,0) and input it as the answer.
A cell phone company collects data from a random sample of 500 households. The results indicate that 135 of the households would add an extra cellular number, provided it was offered at a reduced monthly cost.
an overseas shipment of 5 foreign automobiles contains 2 that have slight paint blemishes. if an agency receives 3 of
Assume the least squares equation is Y' = 10 + 20X. What does the value of 10 in the equation indicate? Y intercept. For each unit increased in Y, X increases by 10.
about 6 of the population has a particular genetic mutation. 600 people are randomly selected.find the standard
Explain the terms: simple random sampling , systematic sampling, stratified sampling, cluster sampling and what is a time series? Explain the 4 main components of a time series.
Population have at least some college education. choose 10 persons at random. Find the probability that at least 5 do not have any college education.
The weights (in grams) of four different colors of M&M candies are given below, along with the mean weight and variance of each color, and the variance of the sample means.
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