A fair coin is flipped 18 times. What is the probability that exactly 8 heads​ appear

Q: A fair coin is flipped 12 times. Find the probability that more than 6 of the flips turn up tails.

A:

Q: Suppose three fair coins are tossed and the number of heads that appear is recorded.  What is the…

A: Suppose three fair coins are tossed and the number of heads that appear is recorded.Since the coins…

Q: .A coin is flipped 5 times, find the probability of getting at most 1 head.

A:

Q: A coin is tossed 6 times. Find the probability that at least three are tails.

A: Introduction:Since nothing is mentioned, we can assume that the coin is fair, so that the…

Q: Six cards are selected from a fair deck. What is the probability that they contain all the same…

A:

Q: In a small private​ school, 6 students are randomly selected from 14 available students. What is the…

A: no of ways selecting r items from n is C(n,r)

Q: A fair coin is tossed 25 times. What is the probability that there will be at least 20 heads?

A: Let, X= number of heads  probability of getting a head (success)= p =1/2 =0.5 Probability of…

Q: Five cards are drawn randomly from a standard deck of 52 cards. Determine the probability that…

A: Total no.of cards in a standard deck of cards = 52 No.of ace cards = 4 Consider that five cards are…

Q: During a Formula 1 test. 25% of the cars that participated in the test experienced a tire blowout.…

A: Correct answer is  (C) 0.1484

Q: f you flipped a coin and it lands on heads 7 times in a row, what is the probability it will land on…

A: In the flipping of a coin, all the flips are independent.  If the coin is flipped 7 times, the odds…

Q: fair coin is flipped 13 times. Find the probability that more than 4 of the flips turn up

A: When a coin is tossed the probability of getting heads is 0.5 and tails is 0.5 A fair coin is…

Q: A fair coin is flipped 11 times. Find the probability that more than 5 of the flips turn up tails.

A:

Q: What is the probability of getting at least one 6 on three rolls of a die?

A: It is an important part of statistics. It is widely used.

Q: consider 10 tosses of a fair coin. What is the probability that the FIRST TWO are heads?

A: Given problem uses  the binomial distribution. Let ,  X  :  number of heads in 10 tosses. The…

Q: 2 In a certain normal distribution, 1,25%. öf the area lies to the left. of 42 and 1.25% lies to the…

A: Given, The distribution is normal. 1.25% of the area left to the 42 and 1.25 of the area right to…

Q: Two six sided dice are rolled at once. What is the probability of rolling a sum of 9

A: Note that the favorable cases to get a sum of 9 are 3,6,6,3,4,5,5,4. Consider the following events,…

Q: In a small private​ school, 4 students are randomly selected from 18 available students. What is the…

A: Solution: Given information: n= 18 available students  4 students are randomly selected.

Q: An urn contains 5 yellow marbles, and 4 green marbles. If one marble is selected. Determine the…

A: Given,no.of yellow marbles=5no.of green marbles=4total no.of marbles=9

Q: Six cards are selected from a fair deck. What is the probability that they contain at least 5…

A: Number of cards in a deck is 52. Six cards are selected from a fair deck.

Q: fair coin is flipped 100 times . Find the probability that at least 75 heads occur

A: n =100 , p = 0.5 np = 50 > 10 n(1-p) = 50 > 10 =======================

Q: A fair coin is flipped 16 times. What is the probability that exactly 8 heads​ appear?

A: Given,n=16p=P(getting a head)=12 X=getting no.of headsP(X=x)=cxn px(1-p)n-x ; x=0,1,2,3.....n

Q: Suppose three fair coins are tossed and the number of heads that appear is recorded.  What is the…

A: Suppose three fair coins are tossed and the number of heads that appear is recorded.  What is the…