Question Info

This question is public and is used in 6 tests or worksheets.

Type: Multiple-Choice
Category: Collecting and Interpreting Data
Level: Grade 11
Standards: HSS-ID.A.4
Author: nsharp1
Last Modified: 2 years ago

View all questions by nsharp1.

Collecting and Interpreting Data Question

View this question.

Add this question to a group or test by clicking the appropriate button below.

Grade 11 Collecting and Interpreting Data CCSS: HSS-ID.A.4

The random variable X is normally distributed, with a mean of 90 and standard deviation of 10. What is the probability that X is less than 81?
  1. 81.59%
  2. 31.59%
  3. 46.41%
  4. 18.41%