Author Question: The monthly electrical utility bills of all customers for the Far East Power and Light Company are ... (Read 166 times)

K@ · **on:** Jun 24, 2018

The monthly electrical utility bills of all customers for the Far East Power and Light Company are known to be distributed as a normal distribution

with mean equal to 87.00 a month and standard deviation of 36.00. If a statistical sample of n = 100 customers is selected at random, what is the probability that the mean bill for those sampled will exceed 75.00?
A) -0.33
B) Approximately 0.63
C) About 1.00
D) 3.33

Question 2

In a recent one-way ANOVA test, SSW was equal to 15,900 and the SSB was equal to 3,100. Therefore, SST is equal to 12,800.

Indicate whether the statement is true or false