sixty perfect are in favor of death penalty for drug dealers. find the probability that in...
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sixty perfect are in favor of death penalty for drug dealers.
find the probability that in...
Use the normal distribution to approximate the desired probability. Find the probability that in 242 tosses...
Use the normal distribution to approximate the desired probability. Find the probability that in 242 tosses of a single 20-sided die, we will get at least 18 threes. Round your answer to 4 places after the decimal point. Question 2 For the binomial distribution with n = 24 and p = 0.64, is it appropriate to use the normal distribution as an approximation? a Normal approximation IS appropriate b Normal approximation is NOT appropriate c Not enough information is given...
8. Support for the Death Penalty In 1980 and again in 2010, a Gallup poll asked...
8. Support for the Death Penalty In 1980 and again in 2010, a Gallup poll asked a random sample of 1000 US citizens "Are you in favor of the death penalty for a person convicted of murder?". In 1980, the proportion saying yes was 0.66. In 2010, it was 0.64. Does this data provide evidence that the proportion of US citizens favoring the death penalty was higher in 1980 than it was in 2010? Use pi for the proportion in...
Problem 6. A political researcher believes that the fraction p, of Republicans strongly in favor of...
Problem 6. A political researcher believes that the fraction p, of Republicans strongly in favor of the death penalty is greater than the fraction P of Democrats strongly in favor of the death penalty. He acquired independent random samples of 200 Republicans and 200 Democrats and found 46 Republicans (a) Does this evidence provide statistical support for the researcher's (b) The political researcher should have designed a test for which probability o exceeds p, Pi-p,-0.10. and 34 Democrats strongly favoring...
In a certain country, 20% of the female adult population smoke regularly. In a random sample...
In a certain country, 20% of the female adult population smoke regularly. In a random sample of 800 adults, what is the probability that: a) less than 150 are smokers? Use the normal approximation to the binomial. b) 200 or more are smokers? Use the normal approximation to the binomial. c) Find answers to (a) and (b) using the binomial distribution and R. Copy and paste the code and the answer into your document.
A study on the personality characteristics of drug dealers sampled 100 convicted drug dealers and scored...
A study on the personality characteristics of drug dealers sampled 100 convicted drug dealers and scored them each on the Wanting Recognition (WR) Scale, which provides a quantitative measure of a person's need for approval and sensitivity to social situations. (Higher scores indicate a greater need for approval.) The sample of drug dealers had a mean WR score of 38, with a standard deviation of 6. Use this information to find an interval estimate of the mean WR score for...
Please include R codes in solution In a certain European country, 23% of the female adult...
Please include R codes in solution In a certain European country, 23% of the female adult population smoke regularly. In a random sample of 700 female adults, what is the probability that: a) Less than 150 are smokers? Use the normal approximation to the binomial. b) 200 or more are smokers? Use the normal approximation to the binomal. c) Find answers to (a) and (b) using the binomial distribution and R. Copy and paste the code and the answer in...
A drug tester claims that a drug cures a rare skin disease 80% of the time....
A drug tester claims that a drug cures a rare skin disease 80% of the time. The claim is checked by testing the drug on 100 patients. If at least 72 patients are cured, the claim will be accepted. Find the probability that the claim will be rejected assuming that the manufacturer's claim is true. Use the normal distribution to approximate the binomial distribution if possible. The probability is
A drug tester claims that a drug cures a rare skin disease 68% of the time....
A drug tester claims that a drug cures a rare skin disease 68% of the time. The claim is checked by testing the drug on 100 patients. If at least 62 patients are cured, the claim will be accepted. Find the probability that the claim will be rejected assuming that the manufacturer's claim is true. Use the normal distribution to approximate the binomial distribution if possible. The probability is __________(round to four decimal places as needed.)
A drug tester claims that a drug cures a rare skin disease 85% of the time....
A drug tester claims that a drug cures a rare skin disease 85% of the time. The claim is checked by testing the drug on 100 patients. If at least 80 patients are cured, the claim will be accepted Find the probability that the claim will be rejected assuming that the manufacturer's claim is true. Use the normal distribution to approximate the binomial distribution it possible The probability is (Round to four decimal places as needed.)
A drug tester claims that a drug cures a rare skin disease 66% of the time....
A drug tester claims that a drug cures a rare skin disease 66% of the time. The claim is checked by testing the drug on 100 patients. If at least 59 patients are cured, the claim will be accepted. Find the probability that the claim will be rejected assuming that the manufacturer's claim is true. Use the normal distribution to approximate the binomial distribution if possible.
8. Support for the Death Penalty In 1980 and again in 2010, a Gallup poll asked a random sample of 1000 US citizens "Are you in favor of the death penalty for a person convicted of murder?". In 1980, the proportion saying yes was 0.66. In 2010, it was 0.64. Does this data provide evidence that the proportion of US citizens favoring the death penalty was higher in 1980 than it was in 2010? Use pi for the proportion in...
Problem 6. A political researcher believes that the fraction p, of Republicans strongly in favor of the death penalty is greater than the fraction P of Democrats strongly in favor of the death penalty. He acquired independent random samples of 200 Republicans and 200 Democrats and found 46 Republicans (a) Does this evidence provide statistical support for the researcher's (b) The political researcher should have designed a test for which probability o exceeds p, Pi-p,-0.10. and 34 Democrats strongly favoring...
A drug tester claims that a drug cures a rare skin disease 85% of the time. The claim is checked by testing the drug on 100 patients. If at least 80 patients are cured, the claim will be accepted Find the probability that the claim will be rejected assuming that the manufacturer's claim is true. Use the normal distribution to approximate the binomial distribution it possible The probability is (Round to four decimal places as needed.)
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