<span>The inverse of this statement would be If a number does not have exactly two distinct factors, then the number is not prime. The inverse of a mathematical statement is basically the opposite of the statement provided, which is also known as negating.</span>
Answer:
0.1994 is the required probability.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 166 pounds
Standard Deviation, σ = 5.3 pounds
Sample size, n = 20
We are given that the distribution of weights is a bell shaped distribution that is a normal distribution.
Formula:
Standard error due to sampling =

P(sample of 20 boxers is more than 167 pounds)
Calculation the value from standard normal z table, we have,
0.1994 is the probability that the mean weight of a random sample of 20 boxers is more than 167 pounds
What's the problem? Who is it for?
Use Pythagoras:
x² = (8.5)² + (5)²
x = √[(8.5)² + (5)²]