Question

A survey of adults found that 56% of those who text on a cell phone receive...

A survey of adults found that 56% of those who text on a cell phone receive unwanted spam and messages. You randomly pick 100 adults who text on a cell phone. Find the probability that the number of people who received spam and unwanted messages is exactly 60.

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
A survey of U.S. adults found that 69% of those who text on cell phones receive...
A survey of U.S. adults found that 69% of those who text on cell phones receive spam or unwanted messages. You randomly select 100 U.S. adults who text on cell phones and ask who receive spam or unwanted messages. A) Write a complete sentence in the context of the problem that describes what p represents in this problem. No numbers. B) Are the criteria for using the normal distribution met? EXPLAIN. Show any necessary calculations. C) If many samples of...
Decide whether you can use the normal distribution to approximate the binomial distribution. If you can,...
Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why and use the binomial distribution to find the indicated probabilities. A survey of adults found that 56% of those who text on cell phones receive spam or unwanted messages. You randomly select 100 adults who text on cell phones. a-Find the probability that the number of...
Decide whether you can use the normal distribution to approximate the binomials distribution. If you can,...
Decide whether you can use the normal distribution to approximate the binomials distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why and use the binomial distribution to find the indicated probabilities. A surgery of adults found that 74% of those who text on cell phones receive spam or unwanted messages. You randomly select 100 adults who text on cell phones. Complete parts (a) through (d). Determine whether...
Decide whether you can use the normal distribution to approximate the binomial distribution. If you​ can,...
Decide whether you can use the normal distribution to approximate the binomial distribution. If you​ can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you​ cannot, explain why and use the binomial distribution to find the indicated probabilities. A survey of adults found that 79​% of those who text on cell phones receive spam or unwanted messages. You randomly select 100 adults who text on cell phones. Complete parts​ (a) through​ (d). Determine whether...
A national survey found that ​56% of adults ages​ 25-29 had only a cell phone and...
A national survey found that ​56% of adults ages​ 25-29 had only a cell phone and no landline. Suppose that three ​25-29-year-olds are randomly selected. Complete parts a through c below. ​a) What is the probability that all of these adults have only a cell phone and no​ landline? ​(Round to four decimal places as​ needed.) b) What is the probability that none of these adults have only a cell phone and no landline? ​(Round to four decimal places as​...
(1 point) In 2012, the percentage of cell phone owners who used their cell phone to...
(1 point) In 2012, the percentage of cell phone owners who used their cell phone to send or receive text messages was 80%. A polling firm contacted a simple random sample of 1400 people chosen from the population of cell phone owners. If p is the proportion of cell phone owners who used their phone to text, then what was the the probability that p^ was between 0.79 and 0.81?
a national survey found that 46% of adults ages 25-29 had only a cell phone and...
a national survey found that 46% of adults ages 25-29 had only a cell phone and no landlines. Supposed that four 25-29 years olds are randomly selected. What is the probability that at least one of these adults has only a cell phone and no landline?
A recent survey found that 72% of all adults over 50 own cell phones. You randomly...
A recent survey found that 72% of all adults over 50 own cell phones. You randomly select 43 adults over 50, and ask if he or she owns a cell phone. Find the mean number of cell phones owned by a sample of 43 adults over 50 years old. Round to two decimal places
A random sample of n=755 us cell phone users 18 and older in may 2011 found...
A random sample of n=755 us cell phone users 18 and older in may 2011 found that the average number of text messages sent and received per day is 41.5 messages, with standard error about 6.1 Find a 95% confidence interval for the mean number of text messages. The 95% confidence interval is what to what?
A survey of 1000 drivers found that 29% of the people send text messages while driving....
A survey of 1000 drivers found that 29% of the people send text messages while driving. Last year, a survey of 1000 drivers found that 17% of those sent text messages while driving. 1.) Give a 95% confidence interval for the increase in text messaging while driving.    2.) At α = .0 5 , can we conclude that there has been an increase in the number of drivers who text while driving? State the hypotheses, find the test statistic,...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT