answer:
(16!)/((14!)(2!))
* (.8)^14 * (.2)^2
120* (.8)^14
* (.2)^2
0.211 or
21.1 %
there fore
21.10
21.10 |
HW4 Binomial Random Variables: Problem 2 Previous Problem Problem List Next Problem ( 1 pont) BlueSky...
HW4 Binomial Random Variables: Problem 2 Previous Problem Problem List Next Problem (1 pont) BlueSky Air has the best on-time arrival rate with 80% ot its nights arriving on time A test is conducted by randomly selecting 16 Bluesky Air flights and observing whether they arrive on time What is the probability that 2 fights of BlueSky Air arrive late? (Please carry answers to at least six decimal places in intermediate steps. Give your final answer to the nearest three...
1.The proportion of adults who own a cell phone in a certain Canadian city is believed to be 70%. Fifty adults are to be selected at random from the city. Let X be the number in the sample who own a cell phone. Under the assumptions given, the distribution of X is A. N(50,15)N(50,15) B. Bin(50,0.7) C. N(35,15)N(35,15) D. Bin(50,35)Bin(50,35) 2. BlueSky Air has the best on-time arrival rate with 75% of its flights arriving on time. A test is...
08.BinomialDistribution 1: Problem 1 Sets 08.Binomiall Previous Problem Problem List Next Problem Proble (1 point) The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best reate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 19 Southwest flights and observing whether they arrive on time. (a) Find the probability that exactly 6 flights arrive late. User Settings Grades Problems (b)...
UUUIUITULLUTULIUI Previous Problem List Next (1 point) The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best rate with 70 % of its flights arriving on time. A test is conducted by randomly selecting 10 Southwest flights and observing whether they arrive on time. Find the probability that exactly 4 flights arrive on time. Preview My Answers Submit Answers
webwork i matho pring19mcnelis / hw4 binomial random variables / 1 HW4 Binomial Random Variables: Problem 1 Previous Problem Problem List Next Problem (1 point) In a family with 5 children, excluding multiple births, what is the probability of having exacty 1 girt? Assume that having a boy is as likely as having a girl at each birth. Preview My Answers Submit Answers
HW4 Binomial Random Variables: Problem 3 Previous Problem Problem List Next Problem (1 point) A man claims to have extrasensory perception (ESP) As a test, a fair coin is fipped 27 times, and the man is asked to predict the outcome in advance. He gets 19 out of 27 correct. What is the probability that he would have done at least this well if he had no ESP? Probability
If xx is a binomial random variable, compute p(x)p(x) for each of the following cases: (a) n=5,x=5,p=0.2 p(x)= (b) n=3,x=1,p=0.7 p(x)= (c) n=4,x=2,p=0.6 p(x)= (d) n=3,x=0,p=0.3 p(x)= The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best rate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 1010 Southwest flights and observing whether they arrive on time. (a) Find the probability that exactly 88 flights...
(1 point) The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best rate with 70 % of its flights arriving on time. A test is conducted by randomly selecting 9 Southwest flights and observing whether they arrive on time. Find the probability that at most 5 flights arrive late.
Wework math20spring19mcnelis / hw4_ binomial random vaniables /4 HW4 Binomial Random Variables: Problem 4 Previous Problem Problem List Next Problem (1 point) A quiz consists of 10 mutiple-choice questions, each with 5 possible answers. For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 70 % P(pass)-
The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best reate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 12 Southwest flights and observing whether they arrive on time. (a) Find the probability that exactly 6 flights arrive late.