Warning: foreach() argument must be of type array|object, bool given in /var/www/html/web/app/themes/studypress-core-theme/template-parts/header/mobile-offcanvas.php on line 20

What is the probability that a student has a GPA under 2.0?(a)0.227(b)0.255(c)0.450(d)0.475(e)0.506

Short Answer

Expert verified

The correct option is (b) 0.255.

Step by step solution

01

Step 1. Given

The table is:

02

Step 2. Concept

The probability of an event=numberoffavourableoutcomestotalnumberofoutcomes

03

Step 3. Calculation

The likelihood that she has a GPA below 2.0is calculated as follows:

P(<2.0)=80+1751000=2551000=0.255

As a result, 0.255 is the required probability.

As a result, the best solution is (b).

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Lotto In the United Kingdomโ€™s Lotto game, a player picks six numbers from 1 to 49 for each ticket. Rosemary bought one ticket for herself and one for each of her four adult children. She had the lottery computer randomly select the six numbers on each ticket. When the six winning numbers were drawn, Rosemary was surprised to find that none of these numbers appeared on any of the five Lotto tickets she had bought. Should she be? Design and carry

out a simulation to answer this question. Follow the four-step process.

Taking the train According to New Jersey Transit, the 8:00 a.m. weekday train from Princeton to New York City has a 90% chance of arriving on time. To test this claim, an auditor chooses 6 weekdays at random during a month to ride this train. The train arrives late on 2 of those days. Does the auditor have convincing evidence that the companyโ€™s claim isnโ€™t true? Design and carry out a simulation to answer this question. Follow the four-step process.

Cold weather coming to A TV weather man, predicting a colder-than-normal winter, said, โ€œFirst, in looking at the past few winters, there has been a lack of

really cold weather. Even though we are not supposed to use the law of averages, we are due.โ€ Do you think that โ€œdue by the law of averagesโ€ makes sense in talking about the weather? Why or why not?

You want to estimate the probability that the player makes 5or more of 10shots. You simulate 10 shots 25 times and get the following numbers of hits:

5754153434534463417455657 What is your estimate of the probability?

(a) 5/25, or 0.20 (d) 16/25, or 0.64

(b) 11/25, or 0.44 (e) 19/25, or 0.76

(c) 12/25, or 0.48

Genetics Suppose a married man and woman both carry a gene for cystic fibrosis but donโ€™t have the disease themselves. According to the laws of genetics, the probability that their first child will develop cystic fibrosis is 0.25

(a) Explain what this probability means.

(b) Why doesnโ€™t this probability say that if the couple has 4 children, one of them is guaranteed to get cystic fibrosis?

See all solutions

Recommended explanations on Math Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free