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1-The mean tumor sizes for 7 cancer patients is 2.91 and the standard deviation

ID: 56594 • Letter: 1

Question

1-The mean tumor sizes for 7 cancer patients is 2.91 and the standard deviation is 0.88. Calculate the z-score.

ecplan with steps plz??

2-In a study of 45 year old men with lung cancer, the sample size n= 100, the mean is 70 and the SD is 25. Calculate the population’s standard error of the mean

explan with steps

3- The probability of developing type II diabetes is 1 in 8. The probability of a type II diabetic suffering from kidney failure is 1 in 4, and the probability of developing hypertension is 1 in 5. What is the probability that a type II diabetic with kidney failure would also suffer from hypertension

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Explanation / Answer

1. Z-score = Data point - mean/ standard deviation

                  = 7- 2.91/ 0.88 = 4.64