Question

According to an article, 19% of the entire population in a developing country have high-speed access...

According to an article, 19% of the entire population in a developing country have high-speed access to the Internet. Random samples of size 200 are selected from the country’s population. Among all the random samples of size 200, what proportion will have between 9% and 29% who have high-speed access to the Internet?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Refer Standard normal table/Z-table to find the probability OR use excel formula "=NORM.S.DIST(3.60, TRUE)" & "=NORM.S.DIST(-3.60, TRUE)" to find the probability.

The proportion will have between 9% and 29% who have high-speed access to the Internet is

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
According to an article in the American Demographics, 19% of the entire U.S. population listens to...
According to an article in the American Demographics, 19% of the entire U.S. population listens to Internet radio (Rebecca Gardyn, “High Frequency,” July 2000, 32-36). Suppose a random sample of 100 U.S. citizens is selected. The probability that the sample proportion of U.S. citizens listening to Internet radio is more than 0.25 is.
3. A survey found 195 of 250 randomly selected Internet users have high-speed Internet access at...
3. A survey found 195 of 250 randomly selected Internet users have high-speed Internet access at home. Construct a 90% confidence interval for the proportion of all Internet users who have high-speed Internet access at home.  (Round to the nearest thousandth) 4. You want to estimate the proportion of adults who have a fear of snakes (ophidiophobia). What sample size should be obtained if you want the estimate to be within 3 percentage points with 95% confidence if you do not...
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size...
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.03 with 90​% confidence if ​(a) she uses a previous estimate of 0.52, does she not use any prior​ estimates?
A researcher wishes to estimate the proportion of adults who have? high-speed Internet access. What size...
A researcher wishes to estimate the proportion of adults who have? high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.03 with 99?% confidence if ?(a) she uses a previous estimate of 0.48?? ?(b) she does not use any prior? estimates?
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size...
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.04 with 90​% confidence if ​(a) she uses a previous estimate of 0.32​? ​(b) she does not use any prior​ estimates?
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size...
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.04 with 90​% confidence if ​(a) she uses a previous estimate of 0.36​? ​(b) she does not use any prior​ estimates?
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size...
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.01 with 95​% confidence if ​(a) she uses a previous estimate of 0.34​? ​(b) she does not use any prior​ estimates?
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size...
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.04 with 95​% confidence if ​(a) she uses a previous estimate of 0.54​? ​(b) she does not use any prior​ estimates?
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size...
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.04 with 99​% confidence if ​(a) she uses a previous estimate of 0.46​? ​(b) she does not use any prior​ estimates?
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size...
A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.04 with 99​% confidence if ​(a) she uses a previous estimate of 0.32​? ​(b) she does not use any prior​ estimates?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT