(Answered) Technology and the internet in february 2013 the chinese

Statistics

Technology and the Internet In February 2013, the Chinese Ministry of Industry and Information Technology announced plans to expand broadband connections (or faster) to 70% of Chinese households.45 Suppose the plan is successful and 40 Chinese households are selected at random.

a. What is the probability that exactly 25 households have broadband coverage?

b. What is the probability that at most 30 households have broadband coverage?

c. What is the probability that more than 33 households have broadband coverage?

d. Suppose the number of households that have broadband coverage is within two standard deviations of the mean. What is the probability that the actual number that have broadband coverage is within one standard deviation of the mean?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92555097
Price:- $10

Verified Expert

Priced at $20 Now at $10, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

In the game of roulette a player can place a 7 bet on the

In the game of? roulette, a player can place a ?$7 bet on the number 18 and have a 1/38 probability of winning. If the metal ball lands on 18?, the player gets to keep the ?$7 paid to play the game and the player is awar ...

A random sample of 34 taxpayers claimed an average of 9623

A random sample of 34 taxpayers claimed an average of ?$9,623 in medical expenses for the year. Assume the population standard deviation for these deductions was ?$2,441. Construct confidence intervals to estimate the av ...

Sixty percent of adults have looked at their credit score

Sixty percent of adults have looked at their credit score in the past six months. If you select 31 customers, what is the probability that at least 25 of them have looked at their score in the past six months?

Can you look for multicollinearity between a categorical

Can you look for multicollinearity between a categorical independent variable and a continuous dependent variable or can you only look for multicollinearity between a continuous independent variable and a continuous depe ...

What steps do i take to calculate the personnel office at a

What steps do I take to calculate :the personnel office at a large electronics firm regularly schedules job interviews and maintains records of the interviews. From the past records, they have found that the length of a ...

Question 1let x represent the height of first graders in a

Question 1 Let x represent the height of first graders in a class. This would be considered what type of variable: A)Continuous B)Discrete C)Nonsensical D)Lagging Question 2 Let x represent the height of corn in Oklahoma ...

The average price of a television on a certain web site is

The average price of a television on a certain Web site is ?$770. Assume the price of these televisions follows the normal distribution with a standard deviation of ?$170. Complete parts a through d below. a. What is th ...

Last year galaxy corp had 350000 of assets which is equal

Last year Galaxy Corp had $350,000 of assets (which is equal to its total invested capital), $475,000 of sales, $30,250 of net income, and a debt-to-capital ratio of 40%. The new CFO believes the firm has excessive fixed ...

The monthly sales demand for a new product is uncertain but

The monthly sales demand for a new product is uncertain, but it is considered to be adequately described by a normal random variable with mean 50,000 units and variance 100,000,000. (a) A factory to manufacture the new p ...

The distribution of heights of adult american women is

The distribution of heights of adult American women is approximately normal with a mean of 64 inches and standard deviation of 2 inches. What percent of women is taller than 68 inches?

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