Question

1). Answer the Following Given Bellow.

A). Consider the following binomial experiment: A study in a certain community showed that 6% of the people suffer from insomnia. If there are 10,300 people in this community, what is the standard deviation of the number of people who suffer from insomnia?

a) 24.10

b) 49.72

c) 58092.00

d) 618.00

e) 9682.00

f) None of the above.

B). Consider the following binomial experiment: The probability that a fuse produced by a certain company will be defective is ¹⁄₂ . If 500 fuses are produced each day, how many can we expect to find each day that are defective ?

a) 246

b) 252

c) 249

d) 250

e) 248

f) None of the above.

C). Let Z be a standard normal variable. Find P(Z < 1.26).

a) 0.8849

b) 0.8962

c) 0.1151

d) 0.1038

e) 0.8413

f) None of the above.

Answer 1

nkut, 24-10