Question

according to a study, 46% of all reptiles had no teeth. for a random sample of...

according to a study, 46% of all reptiles had no teeth. for a random sample of 10 reptiles, what is the probability to observe if exactly 3 reptiles had no teeth?

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
according to a study, 46% of all reptiles had no teeth. for a random sample of...
according to a study, 46% of all reptiles had no teeth. for a random sample of 10 reptiles, what is the probabilty to observe exactly 5 reptiles with no teeth?
13. According to Gallop, 65% of Indians favor the death penalty. In a random sample of...
13. According to Gallop, 65% of Indians favor the death penalty. In a random sample of 10 Indians, what is the probability that             a) exactly 3 favor the death penalty.             b) no more than 3 favor the death penalty. Now what is mean and standard deviation?
According to a study, 78% of all ages 18-29 years had broadband internet access at random...
According to a study, 78% of all ages 18-29 years had broadband internet access at random home in 2011. A researcher wanted to estimate the proportion of undergraduates college student (18-23) with access, so she randomly sampled 184 undergraduates and found that 161 had access. Estimate the true proportion with 99%confidence.
According to a study done by a university? student, the probability a randomly selected individual will...
According to a study done by a university? student, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267. Suppose you sit on a bench in a mall and observe? people's habits as they sneeze. ?(a) What is the probability that among 10 randomly observed individuals exactly 4 do not cover their mouth when? sneezing? ?(b) What is the probability that among 10 randomly observed individuals fewer than 5 do not cover their...
65% of all teachers support a new program. When a random sample of 10 teachers is...
65% of all teachers support a new program. When a random sample of 10 teachers is polled, what is the probability that exactly 5 of them support the new program? Answer = ?
A random sample of 46 Foreign Language movies made since 2000 had a mean length of...
A random sample of 46 Foreign Language movies made since 2000 had a mean length of 130.9 minutes, with a standard deviation of 12.7 minutes. Part 1 of 2 Construct a 99.8% confidence interval for the true mean length of all Foreign Language movies made since 2000. Round the answers to one decimal place. 2. A college admissions officer takes a simple random sample of 100 entering freshmen and computes their mean mathematics SAT score to be 463. Assume the...
11. According to the National Institute of Health 32% of all women fracture a hip by...
11. According to the National Institute of Health 32% of all women fracture a hip by the age of 90. If 8 women aged 90 are selected at random, a) What is the probability that exactly 5 suffered from a hip fracture? b) What is the probability that at most 3 suffered from a hip fracture? c) What is the probability that none suffered from a hip fracture? d) What is the probability that at least one had a hip...
Suppose 46% of American singers are Grammy award winners. If a random sample of size 622...
Suppose 46% of American singers are Grammy award winners. If a random sample of size 622 is selected, what is the probability that the proportion of Grammy award winners will be less than 47% ? Round your answer to four decimal places.
According to a study done by a university​ student, the probability a randomly selected individual will...
According to a study done by a university​ student, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267. You sit on a bench in a mall and observe​ people's habits as they sneeze. What is the probability that among 10 randomly observed individuals fewer than 4 do not cover their mouth when​ sneezing?
According to a Pew Research Center study, in May 2011, 42% of all American adults had...
According to a Pew Research Center study, in May 2011, 42% of all American adults had a smart phone (one which the user can use to read email and surf the Internet). A communications professor at a university believes this percentage is higher among community college students. She selects 420 community college students at random and finds that 188 of them have a smart phone. Then in testing the hypotheses: H0: p = 0.42 versus Ha: p > 0.42, what...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT