Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

The new Twinkle bulb is being developed to last more than 1000 hours. A random sample of 100 of these new bulbs is selected from the production line. It was found that 64 lasted more than 1000 hours. Find the point estimate for the population proportion, the margin of error for a 95% confidence and then construct to the 95% confidence interval for the population proportion

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M9443703

Have any Question?


Related Questions in Statistics and Probability

1 let random variable x represent the

1. Let random variable x represent the number of heads when a fair coin is tossed two times. (a) Construct a table describing the probability distribution. x P(x) 0 1 2 Determine the mean and standard deviation of x.

Two companies make instruments for bands company as product

Two companies make instruments for bands. Company A's product has a lifespan of 5 years and a standard deviation of 15 months. Compny B's product has a mean lifespan of 5 years and a standard deviation of 3 months. Which ...

Michael invested 1000 in large us stocks at the beginning

Michael invested $1,000 in large U.S. stocks at the beginning of 2012. This investment earned 17.90 percent in 2012, 32.00 percent in 2013, 13.50 percent in 2014, and 3.00 percent in 2015. What return did he earn in the ...

This table summarizes the results from alongtermrandomized

This table summarizes the results from along+termrandomized clinicaltrial to  determine whether aspirin reduces the risk of heart attack. Researchers  randomly assigned a large sample of healthy male physicians (22,071) ...

Diastolic blood pressures are approximately normally

Diastolic blood pressures are approximately normally distributed with a mean of 75 and a standard deviation of 10. If we consider samples of 20 patients, what is the 90th percentile of the mean diastolic blood pressure?

For the pastnbsp110nbspyears a certain state

For the past 110 ?years, a certain state suffered 28 direct hits from major? (category 3 to? 5) hurricanes. Assume that this was typical and the number of hits per year follows a Poisson distribution. Complete parts? (a) ...

1 for a normal distribution with mu 500 and sigma 100 a

1. For a normal distribution with μ = 500 and σ = 100, a. What is the percentile rank for X = 550? b. What is the percentile rank for X = 650? c. What is the percentile rank for X = 450? 2. For a normal distribution with ...

There are 5 women and 8 men in a department how many ways

There are 5 women and 8 men in a department. How many ways can a committee be selected if there must be 2 men and 2 women on the committee? Number of ways to select a committee containing 2 men and 2 women is

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 ...

Suppose you are a statistics consultant hired to study

Suppose you are a statistics consultant, hired to study whether a tax on alcohol has decreased average alcohol consumption in Australia. For a given sample of randomly selected individuals, you are able to obtain the dif ...

  • 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