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What is the probability of 60 random chosen person

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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?

Reference no: EM13954619

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