WILL FAN AND MEDAL

Consider normally distributed data with a mean of 35 and a standard deviation of 2. If there are 350 values between 31 and 33, how many values are there in the distribution?

A. 2575
B. 2550
C. 2525
D. 2600
E. 2625

Question

WILL FAN AND MEDAL

Consider normally distributed data with a mean of 35 and a standard deviation of 2. If there are 350 values between 31 and 33, how many values are there in the distribution? 

A. 2575
B. 2550
C. 2525
D. 2600
E. 2625

perl · Answer

first find the probability of picking a value between 31 and 33

anonymous · Answer

about 13.5

anonymous · Answer

because it's between -1 and -2 on the normal distribution table

perl · Answer

remember probability is a decimal between 0 and 1

anonymous · Answer

Why? I definitely over complicated this problem

perl · Answer

.135x = 350

perl · Answer

let x = total number of individuals

anonymous · Answer

Thanks