126k views
3 votes
According to the empirical rule, if the data form a bell-shaped normal distribution, __________ of the observations will fall within two standard deviations around the mean.a. 68.26b. 88.89c. 93.75d. 95.44

1 Answer

5 votes

Answer:

d. 95.44

Step-by-step explanation:

In normal distribution , probability distribution is symmetrical about the mean . . 68.3% of the observation will fall within one standard deviation around the mean , 94.4 % will fall within two standard deviation about the mean and 99.7 % will fall within 3 standard deviation from the mean . It is based on the area of the normal distribution curve.

User Qualverse
by
7.8k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.