Suppose that 15 of all adults jog. an opinion poll asks a, Ask an Expert

Statistics

Suppose that 15% of all adults jog. An opinion poll asks a simple random sample of 500 adults if they jog.

a) What is the sampling proportion in the sample who jog?

b) According to the 68-95-99.7 rule what is the probability that the sample proportion who jog will be 11.8% or greater?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9373904

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Your environmental science professor designs an experiment

Your environmental science professor designs an experiment to see whether students in her class care about recycling. She places a recycling bin and a trash bin at the front of the class and then hands out a piece of pap ...

Find each of the following probabilities for a normal

Find each of the following probabilities for a normal distribution. (Use/round to 4 decimal places.) p ( z > 0.80) p = p ( z Please work out the steps so I can understand the formula

A professor records the following final exam scores 68 6 m

A professor records the following final exam scores: 68 6 (M SD). Students scoring in the top 18% get an A. What is the cutoff score for the top 18% in this example?

You are considering an investment in a 40-year security the

You are considering an investment in a 40-year security. The security will pay $25 a year at the end of each of the first three years. The security will then pay $30 a year at the end of each of the next 20 years. The no ...

Letnbspnmnbspv denote the normal random variable with

Let N ( m , v ) denote the normal random variable with mean m and variance v . (a) If X is a Standard Normal variable, what is the distribution of the random variable 4 X - 1? (b) If X ~ N (3,1) and Y ~ ...

2 part questionpart 1 what do you think is the item that

2 part question: Part 1: What do you think is the item that accounts for the most cost in any hospital's budget? Can you outline ways to keep this cost under control? Part 2: Do think it is more difficult for a manager t ...

A coffee manufacturer is interested in the mean daily

A coffee manufacturer is interested in the mean daily consumption of regular-coffee drinkers and decaffeinated coffee drinkers. The random sample of 50 regular-coffee drinker show a mean of 3.84 cups per day. A sample of ...

Should you perform a log transformation on a categorical

Should you perform a log transformation on a categorical (nominal) variable, or can you only do that for continuous variables?

You are working for a large corporation and oversee a

You are working for a large corporation and oversee a marketing research project. For this study, your questionnaire length is 10 minutes and the incidence is 35%, yielding a CPI is $23.00. Your company requires all rese ...

A few years ago simon powell purchased a home for 250000

A few years ago, Simon Powell purchased a home for $250,000. Today, the home is worth $450,000. His remaining mortgage balance is $200,000. Assuming that Simon can borrow up to 70 percent of the market value, what is the ...

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