Question

A survey from Teenage Research Unlimited (Northbrook, Ill.) found that 30% of teenage consumers receive their...

A survey from Teenage Research Unlimited (Northbrook, Ill.) found that 30% of teenage consumers receive their spending money from part-time jobs. If 5 teenagers are selected at random, find the probability that at least 3 of them will have part-time jobs.

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

Homework Answers

Answer #1

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
A survey from Teenage Research Unlimited found that 30% of teenage consumers receive their spending money...
A survey from Teenage Research Unlimited found that 30% of teenage consumers receive their spending money from part-time jobs. If 10 teenagers are selected at random, find the a)probability that 4 of them will have part-time jobs. b)probability that at least 1 of them will have part-time jobs
1. A survey from Veterinary Research Unlimited found that 80% of dogs do not have chronic...
1. A survey from Veterinary Research Unlimited found that 80% of dogs do not have chronic ear infections. If 8 dogs are selected at random, find the probability that: What is the mean and standard deviation of this distribution? b. exactly 3 will not have chronic ear infections. c. The value in part a should be quite small. Explain why this is the case using the words mean and standard deviation. d. at least two of them will not have...
. Using the p=.80 . A survey from Veterinary Research Unlimited found that 80% of dogs...
. Using the p=.80 . A survey from Veterinary Research Unlimited found that 80% of dogs do not have chronic ear infections. If 1000 dogs are selected at random, find the probability that:: a. Can you use a normal approximation to a binomial distribution? Yes or no - b. How can you tell? c. Find the probability that at most 790 will not have chronic ear infections. d. Find the probability that exactly 800 will not have chronic ear infections....
A survey from Veterinary Research Unlimited found that 80% of dogs do not have chronic ear...
A survey from Veterinary Research Unlimited found that 80% of dogs do not have chronic ear infections. Assume you have 1000 dogs and you want to determine the following: a. Can you use a normal approximation to a binomial distribution? Yes or no b. How can you tell? c. Find the probability that at most 790 will not have chronic ear infections. d. Find the probability that exactly 800 will not have chronic ear infections. e. Find the probability that...
A survey of 1000 teenage music fans from the United Kingdom indicated around 80% of them...
A survey of 1000 teenage music fans from the United Kingdom indicated around 80% of them are listening to streamed music on their computers and mobile devices every day. Suppose you decide to interview a random sample of 25 U.S. teenage music fans. Assume for now that their behavior is similar to the U.K. teenagers. note: part D = 0.234 part C = 0.1587 (e) Is the value in part (d) a decent approximation of the true probability calculated in...
A recent survey of 1000 United Kingdom music fans aged 14 to 64 revealed that roughly...
A recent survey of 1000 United Kingdom music fans aged 14 to 64 revealed that roughly 30% of the teenage music fans are listening to streamed music on their computer every day. You decide to take a sample of 20 U.S teenage music fans. What is the probability that at least one of the 20 children listen to streamed music? Assume for now that US teenagers behave like UK teenagers in terms of how regularly they listen to streamed music?...
A recent survey found that 40% of all air traffic controllers found their jobs extremely stressful....
A recent survey found that 40% of all air traffic controllers found their jobs extremely stressful. Suppose 12 air traffic controllers are selected at random. A) what is the probability that exactly 5 of them consider their job extremely stressful? B) what is the probability that 2 or more of them consider their job extremely stressful?
An American Society of investors survey found 30% of individual investors have used a discount broker....
An American Society of investors survey found 30% of individual investors have used a discount broker. In a random sample of nine individuals, what is the probability that:    At least one of them used a discount broker; Find the expected value of the number of the individuals that have used a discount broker; Find the variance and the standard deviation of the individuals that have used a discount broker.
13)A survey for brand recognition is done and it is determined that 30% of consumers have...
13)A survey for brand recognition is done and it is determined that 30% of consumers have heard of Dull Computer Company. A survey of 847 randomly selected consumers is to be conducted. For such groups, would it be unusual to get 305 consumers who recognize the Dull Computer Company name? Why or why not? Explain your answer using descriptive statistics and/or probability appropriately. 14)The number of lightning strikes in a year at the top of a particular mountain has a...
30)High blood pressure: A national survey reported that 30 % of adults in a certain country...
30)High blood pressure: A national survey reported that 30 % of adults in a certain country have hypertension (high blood pressure). A sample of 20 adults is studied. Round the answer to at least four decimal places. Part 1 of 4 (a) What is the probability that exactly 5 of them have hypertension? The probability that exactly 5 of them have hypertension is . Part 2 of 4 (b) What is the probability that more than 7 have hypertension? The...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT