# statistics

posted by .

A study found that 81% of households
in the United States have computers. Of those 81%, 92% have Internet
access. Find the probability that a U.S. household selected at random has a
computer and has Internet access.

• statistics -

0.745

• Statistics -

P(A and B) = P(A) * P(B/A)
= (0.81)* (0.92)
= 0.745

The probability that a U.S. household selected at random has a
computer and has Internet access is 0.745

## Similar Questions

1. ### Statistics

Option Seminar 2 5.19) According to data from the U.S. Energy information Administration, the 60.0 million U.S. households with personal computers were distributed as shown here with regard to geographic location and access to the …
2. ### statistics

Suppose that 98% of your customers in your market have internet access and you select a random sample of 500 customers. What is the standard error of the proportion of customers who don’t have internet access?
3. ### Statistics

A researcher wishes to estimate, with 95% confidence, the proportion of adults who have high-speed internet access. Her estimate must be accurate within 4% of the true proportion. A) Find the minimum sample size needed, using a prior …
4. ### statistics

A researcher wishes to estimate with 95% confidence the proportion of adults who have high speed internet access. Her estimate must be accurate within 4% of the true proportion. 1. Find the minimum sample size needed using a prior …
5. ### statistics

The U.S. Census Bureau reported 77% of the U.S population had internet access in 2009. Choosing 3 random individuals find the probability that a. none of the 3 inidivuals has internet b. all of the individuals have internet access …
6. ### statistics

. In his management information systems textbook, Professor David Kroenke raises an interesting point: “If 98% of our market has Internet access, do we have a responsibility to provide non-Internet materials to that other 2%?
7. ### Statistics

In his management information systems textbook,Professor David Kroenke raises and interesting point:"If 98% of our market has Internet access,do we have a responsibility to provide non-Internet materials to that other 2%?
8. ### civics

statistics show that internet usage in the United states has grown from just 41 percent of households in 2000 to 77 present household in 2012. Which best describes how the internet has contributed to cultural diffusion in the United …
9. ### Delta

According to a previous report, 25% of households had some type of high-speed Internet connection. Suppose 8 households are selected at random and the number of households with high-speed Internet is recorded (a) Find the probability …
10. ### Stats

According to a previous​ report, 15​% of households had some type of​ high-speed Internet connection. Suppose 12 households are selected at random and the number of households with​ high-speed Internet is recorded.​ (a) Find …

More Similar Questions