题目
OSC 2030-009 Fall 2025 SUBMIT: Graded Homework Module 2 (Chap 3)
单项选择题
The Empirical Rule states that for a bell-shaped distribution, approximately 95 percent of data should lie within:
选项
A.three standard deviations from either side of the mean.
B.one standard deviation from either side of the mean.
C.two standard deviations from either side of the mean.
D.four standard deviations from either side of the mean.
查看解析
标准答案
Please login to view
思路分析
Consider the prompt: The Empirical Rule states that for a bell-shaped distribution, approximately 95 percent of data should lie within:
Option A: 'three standard deviations from either side of the mean.' This corresponds to about 99.7% of data under a normal distrib......Login to view full explanation登录即可查看完整答案
我们收录了全球超50000道考试原题与详细解析,现在登录,立即获得答案。
类似问题
Suppose a population has probability distribution with a mean 𝜇 and a standard deviation 𝜎 . If a random sample of 100 measurements are taken from this population, you would expect very few of them to fall within 3 standard deviations of the mean. c07.p066.q001
According to the Empirical Rule, the probability that a selected dog of this breed weighs more than 161 pounds is about
Empirical Rule Q3 d) Find P(LB < Z< UB). Enter your answer to 4 decimal places.
Empirical Rule Q3 b) What is the numerical value for the upper bound (UB) of the interval? Enter your answer as a whole number.
更多留学生实用工具
希望你的学习变得更简单
加入我们，立即解锁 海量真题 与 独家解析，让复习快人一步！