[1] Assume that the number of watches produced every hour is

normally distributed with a mean of 500 and a standard deviation of

100. What is the probability that in a randomly selected hour the

number of watches produced is greater than 500?

A. 25%

B. 100%

C. 0%

D. 50%

[2] Assume that the number of watches produced every hour is

normally distributed with a mean of 500 and a standard deviation of

100. What is the probability that in a randomly selected hour the

number of watches produced is less than 700?

A. almost 0

B. 0.0228

C. 0.9772

D. 0.4772

[3] Assume that the number of watches produced every hour is

normally distributed with a mean of 500 and a standard deviation of

100. What is the probability that in a randomly selected hour the

number of watches produced is greater than 700?

A. 0.9772

B. almost 0

C. 0.4772

D. 0.0228

[4] Assume that the number of watches produced every hour is

normally distributed with a mean of 500 and a standard deviation of

100. What is the probability that in a randomly selected hour the

number of watches produced is between 300 than 700?

A. 0.9545

B. 0.0445

C. almost 0

D. 0.4545

[5] Assume that the number of watches produced every hour is

normally distributed with a mean of 500 and a standard deviation of

100. What is the probability that in a randomly selected hour the

number of watches produced is less than 300 or more than 700?

A. 0.0455

B. 0.4545

C. almost 0

D. 0.9545