Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Business Economics Expert

Economics


Home >> Business Economics

A teacher needs to grade 200 exams. She claims that exams require an average of 12 minutes to grade with a standard deviation of 3 minutes. A random sample of 36 exams is selected. Suppose the sample mean is 11 minutes. What is the probability that the sample mean will be less than or equal to 11 minutes if the actual sampling distribution mean equals 12 minutes?

Business Economics, Economics

  • Category:- Business Economics
  • Reference No.:- M91835039

Have any Question?


Related Questions in Business Economics

The average number of women in a shelter each night is 250

The average number of women in a shelter each night is 250 with a standard deviation of 75. If the city's capacity is 350 people will there be enough beds to meet the demand 95% of the time? How many women will be in the ...

If a patient who was injured and is thinking about whether

If a patient who was injured and is thinking about whether or not to file a medical malpractice claim against his doctor. He is considered a "rational" decision maker in the sense that he decides whether or not to file a ...

Solar panel installationa university spent 18 million to

Solar Panel Installation A university spent $1.8 million to install solar panels atop a parking garage. These panels will have a capacity of 500 kw, have a life expectancy of 20 years and suppose the discount rate is 10% ...

The height of 5th grade boys is normally distributed with

The height of 5th grade boys is normally distributed with mean μ=57 inches and standard deviation σ=2 inches. What is the probability that the height of a randomly selected 5th grade boy will be between 53 inches and 61 ...

A farmer wants to test the effectiveness of a pest control

A farmer wants to test the effectiveness of a pest control method in allowing strawberry blooms to yield marketable strawberries. In a pilot study of a random sample of 100 blooms, 77 yield marketable strawberries. What ...

The food marketing institute shows that 16 of households

The Food Marketing Institute shows that 16% of households spend more than $100 per week on groceries. Assume the population proportion is  p  = 0.16 and a sample of 600 households will be selected from the population. Us ...

If a patient who was injured and is thinking about whether

If a patient who was injured and is thinking about whether or not to file a medical malpractice claim against his doctor. He is considered a "rational" decision maker in the sense that he decides whether or not to file a ...

1 the demand for good x is given by qxdnbsp 6000 - frac12

1. The demand for good X is given by: Q X d  = 6,000 - ½ P X  - P Y  + 9P Z  + 1/10M Research shows that the prices of related goods are given by P Y  = $6,500 and P Z  = $100, while the average income of the individuals ...

Suppose the quantity of fish purchased by mr singh family

Suppose the quantity of fish purchased by Mr Singh family is 21 kilos per year when the price is $11.50 per kilo and 17 kilos per year when the price is $20.50 per kilo. Calculate the price elasticity of demand coefficie ...

Autonomous consumptionnbsp 660marginal propensity to

Autonomous consumption  = 660 Marginal propensity to consume  = 0.8 Autonomous taxation  = 200 Income tax rate =  0.2 Planned investment  = 500 Government spending  = 500 Autonomous net exports  = 300 NX  = 0.04 Calculat ...

  • 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

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As

Follow Us

© Copyright 2013-14 mywordsolution.com All rights reserved