Question

According to a poll on customer behavior, 30% of people say they will only consider cars...

According to a poll on customer behavior, 30% of people say they will only consider cars manufactured in their country when purchasing a new car. Suppose you select a random sample of 180 respondents. The probability is 80% that the sample percentage will be contained within what symmetrical limits of the population percentage?

Select one:

a. 27.1% and 32.9%

b. 25.6% and 34.4%

c. 24.4% and 35.6%

d. 23.3% and 36.7%

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
According to a poll on customer behavior, 30% of people say they will only consider cars...
According to a poll on customer behavior, 30% of people say they will only consider cars manufactured in their country when purchasing a new car. Suppose you select a random sample of 180 respondents. The probability is 80% that the sample percentage will be contained within what symmetrical limits of the population percentage? Select one: a. 24.4% and 35.6% b. 23.3% and 36.7% c. 27.1% and 32.9% d. 25.6% and 34.4%
According to a poll on customer behavior, 30% of people say they will only consider cars...
According to a poll on customer behavior, 30% of people say they will only consider cars manufactured in their country when purchasing a new car. Suppose you select a random sample of 180 respondents. The probability is 80% that the sample percentage will be contained within what symmetrical limits of the population percentage? Select one: a. 27.1% and 32.9% b. 25.6% and 34.4% c. 24.4% and 35.6% d. 23.3% and 36.7%
After interviewing a sample of 100 residents of New Taipei City, you find that the mean...
After interviewing a sample of 100 residents of New Taipei City, you find that the mean AGE of the sample respondents is 35 years with a standard deviation of 5.0, and that AGE seems fairly normally distributed. However, you are told that the average age of New Taipei City is less than 37 years ten years ago. Based on your sample data, you need to test whether the true average age of all New Taipei City residents is still less...
A dean of a business school is interested in determining whether the mean grade point average...
A dean of a business school is interested in determining whether the mean grade point average (GPA) of students is different from 3.04. The population standard deviation is 0.41. A random sample of 200 students indicates a sample mean GPA of 2.94. A test is conducted at the 0.05 level of significance to determine whether the mean grade point average (GPA) of students is different from 3.04. What is the test statistic value in this test? Select one: a. -0.244...