SOLUTION: Suppose the weights of 2000 male students are normally distributed with mean = 155lb and standard deviation = 20 lb. Find the number of students with weights not more than

Algebra ->  Probability-and-statistics -> SOLUTION: Suppose the weights of 2000 male students are normally distributed with mean = 155lb and standard deviation = 20 lb. Find the number of students with weights not more than       Log On

 

Hi

Using TI Caculator

The syntax is normalcdf(smaller, larger, µ, σ).

P(x ≤ 100)= normalcdf(-9999, 100, 155 , 20).

Note: The -9999 is used as the smaller value to be at least 5 standard deviations from the mean.