If the tests of 10 students are picked randomly what is the, Ask an Expert

Statistics

Suppose your class, a class of 40 students, scored an average of 70 on a particular test/quiz. The standard deviation is 5.5. If the tests of 10 students are picked randomly, what is the probability their mean is greater than 77? What is the probability their mean is less than 77?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9105553

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Discuss the core business objectives and the primary focus

Discuss the core business objectives and the primary focus of the financial business model.

A student must answer 6 multiple choice questions for a

A student must answer 6 multiple choice questions for a test, but the student did not study well. There are 6 answers per question, but only one is correct. If the student randomly guesses on each questions, what is the ...

A manufacturer of matches randomly and independently puts

A manufacturer of matches randomly and independently puts 15 matches in each box of matches produced. The company knows that one-tenth of 6 percent of the matches are flawed. What is the probability that a matchbox will ...

Research scenario a social psychologist is interested in

Research Scenario: A social psychologist is interested in whether the number of days spent in a refugee camp predicts trauma levels in recently resettled refugees. He interviews 17 refugees to determine how many days the ...

For a population of individuals that has a standard

For a population of individuals that has a standard deviation of 10, what is the standard error of the mean for samples of size (a) 2, (b) 3, (c) 4, (d) 5, (e) 10, (f) 20, (g) 100?

Suppose a stock has just paid a 44 per share dividend d0

Suppose a stock has just paid a $4.4 per share dividend (D 0 ). The dividend is projected to grow at 15% for the next three years, then 6% thereafter indefinitely. What should be the amount of dividend in four year ...

What is liquidity and why is liquidity important to the

What is liquidity and why is liquidity important to the success of a business? Give the Reference

Two people agree to meet at a coffee shop they each

Two people agree to meet at a coffee shop. They each independently pick a random moment in time between 8 a.m. and 9 a.m. and show up exactly at their selected time. But they are very impatient, and only stay for 10 minu ...

The diameter of ping pong balls manufactured at a large

The diameter of Ping Pong balls manufactured at a large factory are approximately normally distributed with a mean diameter of 1.30 inches and a standard deviation of .04 inches. Use Excel to calculate the probability of ...

The correlation between the weight of a bodybuilder and the

The correlation between the weight of a bodybuilder and the weight they can lift is 0.70. True or False: The more this bodybuilder weighs, the more amount of weight they can lift

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert