Twelve and eight hundred seventy three thousandths
Answer:
the answer is 11
you need to add 9 with 2
i think the KFC thecnique cant be use in this question
Answer:
a) 0.004
b) 0.9609
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 76503
Standard Deviation, σ = 8850
We are given that the distribution of annual salaries is a bell shaped distribution that is a normal distribution.
Formula:

a) P(salary greater than 100,000)
P(x > 100000)


Calculation the value from standard normal z table, we have,

b) P(sample mean annual salary falls between 70,000 and 80,000 dollars)
Sample size, n = 20
Standard error due to sampling =



Anser is a
a) |-7| < |8| < |9| < |-10|
Hope it helps