FREE Trial
Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

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

The amount of time it takes students to do a 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 take longer than 135 minutes?

A. 0.0062

B. 0.9938

C. 0.7486

D. 0.2514

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

Directed Algebraic Topology And Concurrency

Directed Algebraic Topology And Concurrency

Authors: Lisbeth Fajstrup, Eric Goubault, Emmanuel Haucourt, Samuel Mimram, Martin Raussen

1st Edition

3319153986, 9783319153988

More Books

Students also viewed these Mathematics questions

Question

★★★★★
Daisey Company is a very profitable small business. It has not, however, given much consideration to internal control. For example, in an attempt to keep clerical and office expenses to a minimum,...

Answered: 1 week ago

Question

★★★★★
Using the earlier international strategy planning checklist, what issues must Yum! pay particular attention to when developing its international marketing strategic plans?

Answered: 1 week ago

Question

★★★★★
6.21 Cerebral Blood Flow Cerebral blood flow (CBF) in the brains of healthy people is normally distributed with a mean of 74 and a standard deviation of 16. a. What proportion of healthy people will...

Answered: 1 week ago

Question

★★★★★
The creation of the PCAOB by the Sarbanes- Oxley Act has impacted both the standards- setting process and the periodic review of the quality of an audit firms work. Required: a. Identify the...

Answered: 1 week ago

Question

★★★★★
Ayala Corporation accumulates the following data relative to jobs started and finished during the month of June 2022

Answered: 1 week ago

Question

★★★★★
On January 2, Year 1, Poplar Ltd. purchased 80% of the outstanding shares of Spruce Ltd. for $2,000,000. At that date, Spruce had common shares of $500,000 and retained earnings of $1,250,000 and...

Answered: 1 week ago

Question

★★★★★
The owners of H Ltd and T Ltd are having a friendly argument over the relative performance of their two similar businesses. The following information is available: Required: a. For each company,...

Answered: 1 week ago

Question

★★★★★
DHL, the international air express and logistics company, serves a wide range of customers, from global enterprises with sophisticated and high volume supply-chain solutions shipping anything from...

Answered: 1 week ago

Question

★★★★★
Many corporate takeovers involve the acquiring firm installing its own managers and slashing the payrolls of the acquired firm. Why has Tata chosen to retain the existing management teams of the...

Answered: 1 week ago

Question

★★★★★
a. What is the electric potential at points A, B, and C in Figure P21.16? b. What is the potential energy of an electron at each of these points? c. What are the potential differences \(\Delta...

Answered: 1 week ago

Question

★★★★★
Two identical converging lenses of focal length \(100 \mathrm{~mm}\) are placed \(400 \mathrm{~mm}\) apart, and an object \(40 \mathrm{~mm}\) tall is placed \(230 \mathrm{~mm}\) to the left of the...

Answered: 1 week ago

Question

★★★★★
A \(200-\mathrm{Hz}\) power source in a series \(R L C\) circuit applies an AC potential difference that has an amplitude of \(60 \mathrm{~V}\). The current amplitude is \(1.0 \mathrm{~A}\), and the...

Answered: 1 week ago

Question

★★★★★
Which of the following statements regarding income tax returns at deathare correct? I Filing a T1final return is optional. II In addition to the final T1 return, there are three elective returns. III...

Answered: 1 week ago

Question

★★★★★
Journalizing applied manufacturing overhead costs. For the month of September 19X6, the following manufacturing overhead costs were applied on the job cost sheets for the Manitoba Supply Corporation:...

Answered: 1 week ago

Question

★★★★★
Completing a job cost sheet. The partially completed job cost sheet prepared at the Ortega Manufacturing Company for Job 4-09 is given on page 189. (This sheet is reproduced in the Study Guide and...

Answered: 1 week ago

Question

★★★★★
Calculating the Cost of Goods Sold. Determine the amount of Cost of Goods Sold (Adjusted) to be shown on the income statement of the Gregory Company from the following data: Finished Goods, July 1,...

Answered: 1 week ago

Previous Question Next Question