select coorect answer: 1-The mean tumor sizes for 7 cancer patients is 2.91 and

Question

select coorect answer:

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

a-0.22 b- 0.25 c-0.75 d- 0.5

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?

a- 4 b- 0.7 c- 2.5

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?

a-1/32 b- 9/20 c-4/8 d- 1/20

Explanation / Answer

1.b- 0.25

2.a- 4

3, c-4/8

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.