(Answered) Standard deviation of the sample proportion

Statistics

Problem: A survey of 300 CEOs finds that 174 of them think that the economy will improve next year. Is there evidence that the rate is higher among all CEOs than the 53% reported by the public at large? Provide your rationale and any supporting data.

Required:

Question 1: Find the standard deviation of the sample proportion based on the null hypothesis.

Question 2: Find the z-statistic.

Question 3: Does he z-statistic seem like a particularly large or small value?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91809888
Price:- $15

Verified Expert

Priced at $30 Now at $15, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

1 what is the ytm for a 14-year semi-annual bond that pays

1. What is the YTM for a 14-year semi-annual bond that pays $35 every six months and has a purchase price of $980.000? Face value is $1,000. 2. A person wants to put aside $500 at the beginning of each month for 10 years ...

A random sample ofnbsp86nbspeighth grade students scores on

A random sample of 86 eighth grade? students' scores on a national mathematics assessment test has a mean score of 292. This test result prompts a state school administrator to declare that the mean score for the? state' ...

Suppose that 20 of men p20 and 15 of women p 15 are

Suppose that 20% of men (P=.20) and 15% of women (P= .15) are carriers of a particular genetic trait. That trait can only be inherited by a child if both parents are carriers. What is the probability that a child is born ...

A box contains 14 large marbles and 11 small marbles each

A box contains 14 large marbles and 11 small marbles. Each marble is either green or white. 8 of the large marbles are green, and 5 of the small marbles are white. If a marble is randomly selected from the box, what is t ...

There is an 8 2-year bond which we buy now at which point

There is an 8%, 2-year bond, which we buy now at which point the required rates are 6%. If we intend to sell it in 2 years, when the market rates of interest are 2%, what is the market price of the bond then and now? A 1 ...

According to a pew research center poll 22 of adult

According to a Pew Research Center poll, 22% of adult Americans have contributed to an online fundraising project. A random sample of 100 adults is selected. Let the random variable X be the number of adult Americans who ...

In 20 of families the father has celiac disease event f

In 20% of families the father has celiac disease (Event F) while the mother does not, in 15% of families the mother has celiac disease (Event M) and the father does not, and in 5% of families both the mother and the fath ...

A company recently had 26 million shares outstanding

A company recently had 26 million shares outstanding trading at $45/share. The company announces its intention to raise $290M by selling new shares. What price shoukd the company expect its existing shares shares to sell ...

Since this in an empirical question that means that 68 is

Since this in an empirical question that means that 68% is in the middle and on the outer sides are the difference? The median life span of a mouse is 118 weeks Would you expect the life-span to be normally distributed? ...

An automobile accidents occur over a 72 hour holiday period

An automobile accidents occur over a 72 hour holiday period are like events in a poisson process with = 10 per hour. Let Y be the time for the first accident. a) What is the mean of Y and variance of Y? b) Find P(Y > 15 ...

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