Question

Based on a? poll, 50?% of adults believe in reincarnation. Assume that 7 adults are randomly?...

Based on a? poll, 50?% of adults believe in reincarnation. Assume that 7 adults are randomly? selected, and find the indicated probability. Complete parts? (a) through? (d) below. a. What is the probability that exactly 6 of the selected adults believe in? reincarnation? The probability that exactly 6 of the 7 adults believe in reincarnation is nothing. ?(Round to three decimal places as? needed.) b. What is the probability that all of the selected adults believe in? reincarnation? The probability that all of the selected adults believe in reincarnation is nothing. ?(Round to three decimal places as? needed.) c. What is the probability that at least 6 of the selected adults believe in? reincarnation? The probability that at least 6 of the selected adults believe in reincarnation is nothing. ?(Round to three decimal places as? needed.) d. If 7 adults are randomly? selected, is 6 a significantly high number who believe in? reincarnation? A. No?, because the probability that 6 or more of the selected adults believe in reincarnation is less than 0.05. B. Yes?, because the probability that 6 or more of the selected adults believe in reincarnation is less than 0.05. C. Yes?, because the probability that 6 or more of the selected adults believe in reincarnation is greater than 0.05. D. No?, because the probability that 6 or more of the selected adults believe in reincarnation is greater than 0.05.

Homework Answers

Answer #1

p = 0.5

n = 7

it is a binomial distribution.

P(X = x) = nCx * px * (1 - p)n - x

a) P(X = 6) = 7C6 * (0.5)^6 * (0.5)^1 = 0.055

b) P(X = 7) = 7C7 * (0.5)^7 * (0.5)^0 = 0.008

c) P(X > 6) = P(X = 6) + P(X = 7)

                  = 7C6 * (0.5)^6 * (0.5)^1 + 7C7 * (0.5)^7 * (0.5)^0

                  = 0.063

d) Option - C

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
Based on a? poll, 40?% of adults believe in reincarnation. Assume that 7 adults are randomly?...
Based on a? poll, 40?% of adults believe in reincarnation. Assume that 7 adults are randomly? selected, and find the indicated probability. Complete parts? (a) through? (d) below. a. What is the probability that exactly 6 of the selected adults believe in? reincarnation? The probability that exactly 6 of the 7 adults believe in reincarnation is nothing. ?(Round to three decimal places as? needed.) b. What is the probability that all of the selected adults believe in? reincarnation? The probability...
QUESTION WITH MULTIPLE ANSWERS! FOR (A,B,C,D) (QUESTION #12) Based on a​ poll, 40​% of adults believe...
QUESTION WITH MULTIPLE ANSWERS! FOR (A,B,C,D) (QUESTION #12) Based on a​ poll, 40​% of adults believe in reincarnation. Assume that 5 adults are randomly​ selected, and find the indicated probability. Complete parts​ (a) through​ (d) below. A. What is the probability that exactly 4 of the selected adults believe in​ reincarnation? The probability that exactly 4 of the 5 adults believe in reincarnation is ____ . ​(Round to three decimal places as​ needed.) B . What is the probability that...
Based on a​ poll, 50​% of adults believe in reincarnation. Assume that 7 adults are randomly​...
Based on a​ poll, 50​% of adults believe in reincarnation. Assume that 7 adults are randomly​ selected, and find the indicated probability. Complete parts​ (a) through​ (d) below. a. What is the probability that exactly 6 of the selected adults believe in​ reincarnation? The probability that exactly 6 of the 7 adults believe in reincarnation is
based on a poll, 60% of adults believe in reincarnation. assume that 8 adults are randomly...
based on a poll, 60% of adults believe in reincarnation. assume that 8 adults are randomly selected, and find the indicated probability. complete parts a through d below. what is the probability that exactly 7 of the selected adults believe in reincarnation? the probability that exactly 7 of the 8 adults believe in reincarnation is? (round to 3 decimal places as needed). what is the probability that all of the selected adults believe in reincarnation? the probability that all of...
Based on a poll, 60% of adults believe in reincarnation. Assume that 8 adults are randomly...
Based on a poll, 60% of adults believe in reincarnation. Assume that 8 adults are randomly selected, and find the indicated probability. A. What is the probability that exactly 7 of the selected adults believe in reincarnation? b. What is the probability that all of the selected adults believe in reincarnation? c. The probability that at least 7 of the selected adults believe in reincarnation? d. If 8 adults are randomly selected, is 7 a significantly high number who believe...
Based on a Harris interactive poll, 20% of adults believe in reincarnation. Assume that six adults...
Based on a Harris interactive poll, 20% of adults believe in reincarnation. Assume that six adults are randomly selected. A-explain why we can use the binomial distribution on this problem. (remember, there are four things to check. B-what is the probability that exactly no adult believes in reincarnation? What about exactly one adult? (use the buy normal formula) C-what is the probability that one or fewer adults believe in reincarnation? D-if six adults are randomly selected, is one and unusually...
Based on a​ poll, among adults who regret getting​ tattoos, 11​% say that they were too...
Based on a​ poll, among adults who regret getting​ tattoos, 11​% say that they were too young when they got their tattoos. Assume that four adults who regret getting tattoos are randomly​ selected, and find the indicated probability. Complete parts​ (a) through​ (d) below. a. Find the probability that none of the selected adults say that they were too young to get tattoos. nothing ​(Round to four decimal places as​ needed.) b. Find the probability that exactly one of the...
There is a 0.9991 probability that a randomly selected 32​-year-old male lives through the year. A...
There is a 0.9991 probability that a randomly selected 32​-year-old male lives through the year. A life insurance company charges ​$173 for insuring that the male will live through the year. If the male does not survive the​ year, the policy pays out 100,000 as a death benefit. Complete parts​ (a) through​ (c) below. a. From the perspective of the 32-year-old ​male, what are the monetary values corresponding to the two events of surviving the year and not​ surviving?The value...
In a? region, there is a 0.8 probability chance that a randomly selected person of the...
In a? region, there is a 0.8 probability chance that a randomly selected person of the population has brown eyes. Assume 12 people are randomly selected. Complete parts? (a) through? (d) below. a. Find the probability that all of the selected people have brown eyes. The probability that all of the 12 selected people have brown eyes is. ?(Round to three decimal places as? needed.) b. Find the probability that exactly 11 of the selected people have brown eyes. The...
  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...