Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

The time it takes (for any student) to complete the MGCR271 final exam is a random variable having a normal distribution with mean 160 minutes

The time it takes (for any student) to complete the MGCR271 final exam is a random variable having a normal distribution with mean 160 minutes and standard deviation 15 minutes. Anne, Bob, Clara and Dave are four friends writing this exam. What is the probability that at least one of them will complete the exam in less than 145 minutes? (Assume that their completion times are independent.)

A. Between 0.35 and 0.45

B. Between 0.01 and 0.35

C. Greater than 0.55

D. Less than 0.01

E. Between 0.45 and 0.55

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

Pre Algebra Practice Workbook The Most Comprehensive Review Of Pre Algebra

Authors: Reza Nazari

2024th Edition

1637195591, 978-1637195598

More Books

Students also viewed these Mathematics questions

Question

1 0 1 8

Answered: 1 week ago