Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Jun 27, 2024

The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mean of: =

The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mean of: = 419 and a standard deviation of: = 39.

According to the standard deviation rule, almost 0.15% of the students spent more than what amount of money on textbooks in a semester?

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Get Instant Access with AI-Powered Solutions

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

Step: 2

Step: 3

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

A First Course In Probability

Authors: Sheldon Ross

9th Edition

978-9332519077, 9332519072

Students also viewed these Mathematics questions

Question

★★★★★

What advertising medium gives a brand the most credibility in influencing brand decisions? According to an Adroit Digital survey, 35% of Millennials point to TV. (Source: U. S. Millennials: TV is...

Answered: 1 week ago

Question

★★★★★

Let X be a continuous variable with density and let Y = [3X + 1], where [ ] denotes the integer part. (i) Calculate the distribution of the discrete random variable Y and then use Definition 4.4 to...

Answered: 1 week ago

Question

★★★★★

Zelmer Corporation needs to set a target price for its newly designed product QB-14. The following data relate to this new product. The costs above are based on a budgeted volume of 250,000 units...

Answered: 1 week ago

Question

★★★★★

Stardust Canyon Ski Resort You work for a venture capitalist and have been asked to analyze a proposal from a group of investors interested in building a new ski area in Colorado, the Stardust Canyon...

Answered: 1 week ago

Question

★★★★★

On January 1, Year 1, ANT Ltd. invested $400,000 in cash for a 30 percent interest in TAM Inc. As a part of the investment, ANT and the other shareholder in TAM signed an agreement under which the...

Answered: 1 week ago

Question

★★★★★

2. (6 points) In a sample of 821 households in Morocco, the volume of water consumed in a week was 334 liters with a standard deviation of 591 liters. Test that the average volume of water consumed...

Answered: 1 week ago

Question

★★★★★

Consider a company founded with 1m shares of common equity, split amongst the founders. A year later the company raises $5M of Series A funding at a $10M pre-money valuation. After the money has gone...

Answered: 1 week ago

Question

★★★★★

Your aunt's fasting sugar level is 130, so the doctor wants her to see a nutritionist to help her eat a more healthy diet. The mean blood sugar level is 84 with a standard deviation of 23. Interpret...

Answered: 1 week ago

Question

★★★★★

Your company estimates that 5% of this month's $100,000 Sales on account will eventually be written off. The entry should be: Debit Bad Debt Expense, $5,000; Credit Bad Debt Allowance, $5,000 Debit...

Answered: 1 week ago

Question

★★★★★

Suppose we want to figure out what the biggest magnitude earthquake was in 2019, but we only have our representative sample of 200. Let's see if trying to find the biggest magnitude in the population...

Answered: 1 week ago

Previous Question Next Question