1 an investment firm survey included the finding that 52, Ask an Expert

Statistics

1. An investment firm survey included the finding that 52% of 150 clients describing themselves as "very aggressive" investors said they were optimistic about the near-term future of the stock market, compared to 46% of 100 describing themselves as "moderate" and 38% of 100 describing themselves as "conservative." Use the 0.01 level in testing whether the three population proportions could be the same.

2. According to a study by the Pew Research Center, 75% of adults 18-30 said they went online daily, compared with 40% of those 65-74, and just 16% for those 75 or older. Using the 0.01 level of significance, and assuming that a random sample of 200 persons was surveyed from each age group, could the population proportions be equal for those who say they go online daily from the three groups? Source: "Poll Finds Generation Gap Biggest Since Vietnam War," USA Today, June 29, 2009, p. 7A.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91704107

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

The following frequency table summarizes the distances in

The following frequency table summarizes the distances in miles of 100 patients from a regional hospital. Distance Frequency 0-2 30 2-4 35 4-6 20 6-8 ...

We choose a number from the set 1 2 100 uniformly at

We choose a number from the set {1, 2, ..., 100} uniformly at random and denote this number by X . For each of the following choices, determine whether the events in question are independent or not. A = {X is even}, B = ...

Cardinal industries had the following operating results for

Cardinal Industries had the following operating results for 2018: Sales = $33,813; Cost of goods sold = $23,967; Depreciation expense = $5,947; Interest expense = $2,685; Dividends paid = $1,951. At the beginning of the ...

In a hypothesis test we use a sample to gain insight on

In a hypothesis test, we use a sample to gain insight on what is likely the outcome for the population. In your example, that is a probability of 1 out of 20 as there were 20 people in the class. A hypothesis test might ...

How many years and months will it take 2 million to grow to

How many years (and months) will it take $2 million to grow to $5.60 million with an annual interest rate of 7 percent?

I define the parameter of interest in the context of the

(i) Define the parameter of interest in the context of the problem (ii) State the alternative hypothesis. (iii) State the distribution used to calculate the P-value (not the formula, but the distribution, eg. t distribut ...

Among 140 subjects with positive test results there are 25

Among 140 subjects with positive test? results, there are 25 false positive? results; among 152 negative? results, there are 22 false negative results. If one of the test subjects is randomly? selected, find the probabil ...

Why is sustainability in the sport industry linked to the

Why is sustainability in the sport industry linked to the green movement?

The average starting salary for graduates at a university

The average starting salary for graduates at a university is $33,000 with a standard deviation of $2,000. If a histogram of the data shows that it takes on a mound shape, the empirical rule says that approximately 68% of ...

You are considering investing in a mutual fund the fund is

You are considering investing in a mutual fund. The fund is expected to earn a return of 15 percent in the next year. If its annual return is normally distributed with a standard deviation of 6.10 percent, what return ca ...

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