Ask a New Question

Question

The mean of a normal probability distribution is 440; the standard deviation is 8.

A: About 95% of the observations lie between what two values?
B: Practically all of the observations lie between what to values?
5 years ago

Answers

R_scott
A: 2 s.d. below and 2 s.d. above the mean
... [440 - (2 * 8)] and [440 + (2 * 8)]

B: 3 s.d. below and 3 s.d. above the mean
... [440 - (3 * 8)] and [440 + (3 * 8)]
5 years ago

Related Questions

The mean of a normal probability distribution is 100 and the standard deviation is 8. About what pe... We have k coins. The probability of Heads is the same for each coin and is the realized value q of a... 1. Use the axioms of probability to show the following: (a) For any event E, P{Ec} = 1 − P{E}. (b)... The mean of a normal probability distribution is 60; the standard deviation is 5 Has anyone taken the probability post test. If so I am struggling and I need help. Please. Answers.... How to determine the probability of selecting marbles with a tree graph without replacement When calculating the probability of x successes in n trials of a binomial experiment, the probabilit... How to know if it is probability or non-sampling What is Experimental Probability? Group of answer choices The actual experiment on a probability...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use