Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

The amount of time it takes students to do the biology exam is normally distributed with a population mean of u=120 minutes and o=30 minutes.

The amount of time it takes students to do the biology exam is normally distributed with a population mean of u=120 minutes and o=30 minutes. What is the probability that 25 randomly selected students will take between 105 minutes and 135 minutes?

A. 0.9876

B. 0.9938

C. 0.0062

D. 0.0124

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Calculus Early Transcendentals

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

4th Edition

1319055907, 9781319055905

More Books

Students also viewed these Mathematics questions