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Find the midrange for the following group of data items:
29,26, 25, 24, 30, 27, 23, 25
what is the midrange rounded to the nearest tenth?
What is the probability that the next 100 customers will spend an average of less than $56 on dinner?
Use the binomial distribution to determine the probability that a student will get at least 8 out of 10 questions on a ten question multiple choice test correct by just guessing if each question has four
Does the variability in output appear to differ at the two experience levels? Test the hypotheses at the .05 significance level.
When would you use a two population test with a small sample size at your place of employment, in your education, or in politics?
Suppose you were a consultant who has been engaged by an airline company to estimate the 'fudge' factor for passenger's weights. Describe an experiment you would consider to estimate this 'fudge' factor. Discuss the statistical test you would cons..
The mean score for freshman on an aptitude test at a certain college is 800 with a standard deviation of 50. That is the probability that two groups of students selected at random, consisting of 36 and 49 students, respectively, will differ in the..
Each contact will result in either no sale or a $50,000 sale, with the probabilities .9 and .1, respectively. Give the probability distribution for daily sales. Find the mean and standard deviation of the daily sales.
Assume that female students' heights are normally distributed with a mean given by µ = 64.2 in. and a standard deviation given by σ = 2.6 in.
Describe the meaning of alternatives, criteria and states of nature. How are they utilized in decision analysis?
What is an appropriate sample space for this experiment?
In a particular region of Cape Cod, it is known that lobstermen trap on average of 32 pounds of lobster per day with a standard deviation of four pounds.
The heights, in feet, of the five tallest buildings in four large cities are compared. What is the critical value if the level of significance is 0.10?
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