Question

39​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly...

39​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. Find the probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is​ (a) exactly​ three, (b) at least​ four, (c) less than eight.

Homework Answers

Answer #1

Let X denotes the number of U.S. adults who favor the use of unmanned drones by police agencies out of randomly selected 12 U.S. adults.

X ~ Binomial(n = 12, p = 0.39)

The probability mass function of X is

Now,

a) The probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is exactly​ three

b) The probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is​ at least​ four

c) The probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is less than eight

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
17​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly...
17​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. Find the probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is​ (a) exactly​ three, (b) at least​ four, (c) less than eight.
16% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly...
16% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. Find the probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is​ (a) exactly​ three, (b) at least​ four, (c) less than eight (a)P(3)=?
4.2.20 38​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are...
4.2.20 38​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. Find the probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is​ (a) exactly​ three, (b) at least​ four, (c) less than eight.
36​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly...
36​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. Find the probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is​ (a) exactly​ three, (b) at least​ four, (c) less than eight. ​A.) P(3)= B.) P(x>4)= C.) P(x<8)= round to 3 decimal places
  4444​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are...
  4444​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. Find the probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is​ (a) exactly​ three, (b) at least​ four, (c) less than eight. ​(a) Upper P left parenthesis 3 right parenthesisP(3)equals=   nothing ​(Round to three decimal places as​ needed.) ​(b) Upper P left parenthesis x greater than or equals 4 right parenthesisP(x≥4)equals=   nothing ​(Round to three...
Total Gender Adults Men Women Do you favor or oppose the use of unmanned drones by...
Total Gender Adults Men Women Do you favor or oppose the use of unmanned drones by police agencies in the United States? Favor 36% 44% 27% Oppose 39% 39% 39% Not sure 25% 17% 33% Find the chi-square values of Gender.
59​% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults....
59​% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults. Find the probability that the number of U.S. adults who have very little confidence in newspapers is ​ (a) exactly​ five, (b) at least​ six, and​ (c) less than four.
66​% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults....
66​% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults. Find the probability that the number of U.S. adults who have very little confidence in newspapers is ​ (a) exactly​ five, (b) at least​ six, and​ (c) less than four.
47​% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults....
47​% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults. Find the probability that the number of U.S. adults who have very little confidence in newspapers is ​ (a) exactly​ five, (b) at least​ six, and​ (c) less than four. ​
61​% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults....
61​% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults. Find the probability that the number of U.S. adults who have very little confidence in newspapers is ​ (a) exactly​ five, (b) at least​ six, and​ (c) less than four. ​(a) ​P(5) = ? ​(Round to three decimal places as​ needed.)​ (b) ​P(x≥​6) = ? ​(Round to three decimal places as​ needed.)​ (c) ​P(x<​4) = ? ​(Round to three decimal places as​ needed.)