Question: The time to complete a task is a random variable X that follows a normal distribution with mean and a standard deviation of 10 minutes.

The time to complete a task is a random variable X that follows a normal distribution with mean and a standard deviation of 10 minutes. Given that P(X > 10) = 0.7389. If 300 observations are taken at random from this distribution, the number of observations greater than 22 is closest to

  1. 112
  2. 130
  3. 121
  4. 86
  5. 100

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Economics Questions!

Q:

The time to complete a task is a random variable X that follows a normal distribution with mean u and standard deviation of 10 minutes. Given that P(X > 10) = 0.7389. If 300 observations are taken at...

Q:

The time to complete a task is a random variable X that follows a normal distribution with mean u and standard deviation of 10 minutes. Given that PIX > 10) = 0.7389, the value of PIX > 20) is...

Q:

COMP 233, Winter 2016 CONCORDIA UNIVERSITY PROBABILITY AND STATISTICS FOR COMPUTER SCIENCE. Assignment 3. Due: March 25, 2016. 1. (a) [6 marks] A random variable X has the standard normal...

Q:

COMP 233, Winter 2016 CONCORDIA UNIVERSITY PROBABILITY AND STATISTICS FOR COMPUTER SCIENCE. Assignment 3. Due: March 25, 2016. 1. (a) [6 marks] A random variable X has the standard normal...

Q:

COMP 233, Winter 2016 CONCORDIA UNIVERSITY PROBABILITY AND STATISTICS FOR COMPUTER SCIENCE. Assignment 3. Due: March 25, 2016. 1. (a) [6 marks] A random variable X has the standard normal...

Q:

COMP 233, Winter 2016 CONCORDIA UNIVERSITY PROBABILITY AND STATISTICS FOR COMPUTER SCIENCE. Assignment 3. Due: March 25, 2016. 1. (a) [6 marks] A random variable X has the standard normal...

Q:

1) Over the course of a year, the probability that a house in an urban area will be burglarized is 4%. a) If 20 houses are randomly selected, what is the probability that exactly 2 of the houses will...

Q:

GRADE 11 - STAT AND PROB 9:02 ~ & 4G AS_STAT-11_Q4_WK3-4.... Activity 1: Reject It! Directions: Find the critical value and draw the rejection region for each hypothesis test based on the information...

Q:

NOTE: ANSWERS MUST BE DIGITALIZED NOT HANDWRITTEN BECAUSE I AM HAVING A HARD TIME SEEING MESSY HANDWRITING *SHOW THE COMPLETE SOLUTION Activity 4. Think Critically! Directions: Identify the critical...

Q:

PRINTABLE VERSION Practice Final Exam Question 1 Give the slope of the line passing through the points ( 2 , -5 ) and ( 2 , -3 ). a) b) c) d) e) f) None of the above. Question 2 Give the equation of...

Q:

Holly & Lister (HL) Plc is a multinational corporation. The company has a business division, HL Tyres, that manufactures tyres for motorcycles and cars. There is an automobile division of the...

Q:

From the following, construct a bank reconciliation for King Co. as of November 30, 201X. Checkbook balance ......... $1,907.10 Bank statement balance ........ 1,938.20 Deposits in transit...

Q:

More people are leasing autos because of the large cash needed deposit needed on the lease contract. Question 5 9 options: a ) Trueb ) False

Q:

Problem 6s.42 Question Help Linda Boardman, Inc., an equipment manufacturer in Boston, has submitted a sample cutoff valve to improve your manufacturing process. Your process engineering department...

Q:

2. Find out if there are other reference points that can be used as reasonable alternatives.

Q:

1. Identify your reference point when making a decision based on an element of risk.

Q:

3. If there are reasonable alternatives, think about your decisions based on the different reference points and see if there are any contradictions in the decisions.