Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

Statistics


Home >> Statistics and Probability

1. Suppose that a particular candidate for public office is in fact favored by 48% of all registered voters in the district. A polling organization will take a random sample of 500 voters and will use p^, the sample proportion, to estimate p. What is the approximate probability that p^ will be greater than .5, causing the polling organization to incorrectly predict the result of the upcoming election?

2. A certain chromosome defect occurs in only 1 in  200 adult Caucasian males. A random sample of n = 100 adult Caucasian males is to be   obtained.

a. What is the mean value of the sample proportion p^, and what is the standard deviation of the sample proportion?

b. Does p^ have approximately a normal distribution in this case? Explain.

c. What is the smallest value of n for which the sampling distribution of p^ is approximately normal?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M91726010

Have any Question?


Related Questions in Statistics and Probability

Letnbspxnbspbe a random variable that represents the ph of

Let  x  be a random variable that represents the pH of arterial plasma (i.e., acidity of the blood). For healthy adults, the mean of the  x  distribution is  μ  = 7.4.† A new drug for arthritis has been developed. Howeve ...

List three ways organizations provide context for their

List three ways organizations provide context for their financial ratios, in other words what is the basis of on which they compare their results?

An appliance dealer calculated the proportion of new

An appliance dealer calculated the proportion of new dishwashers sold that required various numbers of service calls to correct problems during the warranty period. The records were: No. of service calls   Relative frequ ...

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 intermediate calculations. Round your answer to 2 decimal places.)

A teacher started class one day by drawing the names of 10

A teacher started class one day by drawing the names of 10 students out of a hat and asked them to accomplish as much pushups as they could. The 10 randomly selected students averaged 15 pushups per person with a standar ...

Light travels at 186283 miles every second how many feet

Light travels at 186,283 miles every second. How many feet per hour does light travel? Round one decimal place if necessary.

Lisa anderson expects to need 80000 for a down payment on a

Lisa Anderson expects to need $80,000 for a down payment on a house in six years. How much would she have to invest today in an account paying 7.25 percent in order to have $80,000 in six years? (Round answer to 2 decima ...

A research a research institute conduct the clinical trials

A research a research institute conduct the clinical trials of a method designed to increase the probability of conceiving a boy. Amount 170 to babies born to parents using the method. 146 for boys. Identity identify the ...

Vang corps stock price at the end of last year was 3350 and

Vang Corp.'s stock price at the end of last year was $33.50 and its earnings per share for the year were $2.30. What was its P/E ratio?

Amy wants to deposit money each year for the next five

Amy wants to deposit money each year for the next five years and each deposit to have $30,000 in real dollars currently and the inflation rate is 3% per year and the nominal interest rate is 9.18%. (Round off all answers ...

  • 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