Question in a certain region prepackaged products labeled, Ask an Expert

Statistics

Question: In a certain region prepackaged products labeled 500 g must contain on average at least 500 grams of the product, and at least 90% of all packages must weigh at least 490 grams. In a random sample of 300 packages, 288 weighed at least 490 grams.

a. Give a point estimate of the proportion of all packages that weigh at least 490 grams.

b. Verify that the sample is sufficiently large to use it to construct a confidence interval for that proportion.

c. Construct a 99.8% confidence interval for the proportion of all packages that weigh at least 490 grams.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92641865

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

The time spent in days waiting for a heart transplant can

The time spent (in days) waiting for a heart transplant can be approximated by a normal distribution. Day range of 60-200. u=129 o=20.2. (a) What is the shortest number of days spent that would put a patient in the top ...

Ryan braun has just tested positive for gorilla growth

Ryan Braun has just tested positive for Gorilla Growth hormone. You are his lawyer. Given the following information, do you think you could get him off? Explain your reasoning. P(positive test | drug use) = 0.99 P(positi ...

You are promised 80 a year for the next 4 years you are

You are promised $80 a year for the next 4 years. You are also promised a one-time payment of $2000 in 6 years. The interest rate is 6%. What is the total PV?

A cupcake stand has 40 chocolate 30 coconut and 20 banana

A cupcake stand has 40 chocolate, 30 coconut and 20 banana cupcakes. Alice chooses 20 cupcakes at random to make a box as a present for her friend. What is the probability that she chose a. Eight banana and 6 coconut cup ...

A national center for health statistics report based on

A National Center for Health Statistics report based on 1985 data states that 30 percent of American adults smoke. Consider a simple random sample of 17 adults. Find the probability that the number of smokers in the samp ...

Given a normally distributed random variable x with mean mu

Given a normally distributed random variable, X, with mean (μ) and standard deviation (σ) shown on the right, calculate P(a μ =15 s = 2 a =16 b =20 Given a normally distributed random variable, X, with mean (μ) and stand ...

Explain how the company newmans own brand fulfills the

Explain how the company Newman's Own brand fulfills the definition of a business for profit and a non-profit business at the same time. Consider in the response the functions of business, entrepreneurship and production ...

Discrete probability variablesthirtynbsppercent of

Discrete probability variables. Thirty percent of households say they would feel secure if they had? $50,000 in savings. You randomly select 8 households and ask them if they would feel secure if they had? $50,000 in sav ...

On a certain banking machine customer arrives at an average

On a certain banking machine customer arrives at an average 15 per hour. a. What is the probability that 12 customers will use the machine in the next hour? b. What is the probability that there will be fewer than 3 cust ...

A coin is randomly picked from a collection of 10 coins the

A coin is randomly picked from a collection of 10 coins, the ith coin having a probabiliity i/10 of coming up heads. The coin in then flipped repeatedly until a head appears. Let X be the number of flips necessary. Find ...

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