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1 ) The following are measurements of the diameter of engine crankshafts in millimeters. The process mean is supposed to be 224. What is the probability that a similar study would have the same sample mean or higher?
224.120 224.001 224.017 223.989 223.960 223.961 224.089
2) Cola drink makers try to keep the sweetness of their drink consistent. In checking the sweetness of several samples, they found the following values present. The claimed sweetness measure for the drink is 4.0 Higher number represent more sweetness. What is the probability that this drink is sweeter than the claim?4.8 3.75 4.6 4.1 4.0 4.25 4.45
3) An WIAS test for adults has had a mean of 105 and a standard deviation value of 13
a. What is the probability of a random chosen person having a score of 107 or lower?
b. What is the probability of 60 random chosen person having a score of 107 or lower?
4) Recent study of television viewing, 73% of first year college students stated that university well off financially is a very important personal goal. A state university found that 66% of their students agreed with this statement. If a group of 200 students is sampled what is the probability that the school percentage or higher will be found?
the average movie admission price for a recent year was 7.18. the population variance was 3.81. a random sample of 15
What percentage of men are too tall to fit through a standard doorway without bending, and what percentage of women are too tall to fit?
Schadek Silkscreen Printing, Inc. purchases plastic cups on which to print logos for sporting events, proms, birthdays, and other special occasions. What is the estimated proportion defective in the population?
The researcher also gathers data on age and major to see if there is any connection between these varibales and frequency of sexual harassment.
the random sample shown below was selected from a normal distribution.41010741a. construct a 99 confidence interval for
The distribution of amounts spent is approximately normal with a standard deviation of $10. Compute the probability of selecting a credit card customer at random and finding the customer charged between $70 and $83.
a 28yr old man pays 165.00 for a one year life insurance policy with coverage of 140000.00. if the probability that he
For three independent samples, each with n = 100, the respective sample proportions are 0.30, 0.35, and 0.25. Use the 0.05 level in testing whether the three population proportions could be the same.
in a 2 x 3 x 3 analysis of variance the number of cells
Illustrate a quantitative assessment of what our charts would look like and what these new targets would do to our operations.
Replace (or exchange) 10% of its model I and 18% of its model II. If a model is selected at random, find the probability that it will be defective.
What is the probability that the individual is a driver and what is the probability that the individual is male? What is the probability that both are transit users?
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