Two coins were tossed a total of 200 times. 45 times two heads turned up 95 times one tail and 60 times two tails turned up. What is the probability of no heads turning up

Q: There are 25 red balls, 7 green balls, and 9 white balls in a bag. If you reach into the bag and…

A: Given  There are 25 red balls, 7 green balls, and 9 white balls in a bag   Total ball = 25 + 7 + 9…

Q: A fair coin is flipped 6 times. Find the probability that heads was flipped exactly 4 times

A: The probability of the heads is calculated by the binomial distribution probability mass function.…

Q: Two dice are rolled four times. Calculate the probability of doubles four times in a row?

A:

Q: A coin is tossed 3 times. What is t

A: From the given information, A coin is tossed 3 times. Total outcomes is 2^3=8 (HHH, TTT, THH, HTH,…

Q: You toss a coin three times. What is the probability of obtaining at least two heads?

A: The coin is tossed three times.

Q: You want to randomly arrange 4 discs in a CD rack.  What is the probability that the rack ends up in…

A: We can arrange 4 CDs in a rack in 4!=24 waysWe can arrange them in alphabetical order in only one…

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: An assorted snack tray has three popcorn bags, four granola bars, and six apples. What is the…

A: Number of popcorn bags = 3  Number of granola bars = 4  Number of apples = 6  Total number of…

Q: Computer 911 Hot Line receives on average 15 calls per day asking for assistance. For any randomly…

A:

Q: A coin is tossed and a die is rolled. Find the probability of getting a tail and a number greater…

A: A coin is tossed and a die is rolled. Chances of getting a tail or head are equally likely P(Tail) =…

Q: Three coins are tossed. Find the probability of getting at least two head

A: Given Three coins are tossed

Q: A coin is tossed five times. What is the probability of getting 3 tails in these five tosses? Enter…

A:

Q: You toss a coin 6 times. What is the probability of not having the coin land on heads exactly 4…

A: Given that  Number of times coin tossed (n ) = 6 Assuming it is a fair coin , chance of occurring…

Q: ability of getting "six" at

A:

Q: A student rolls a die 15 times. What is the probability of getting three 6? First calculate the…

A: If we throw a die once, we get sample space as S={1,2,3,4,5,6}. So, the probability of getting 6…

Q: Of 1100 students at Brown High School, 450 attended the first school dance of the year. Only 233…

A: Let define the events: A = Students attended the first school dance of the year B = Students…

Q: A jar contains 20 berries, 14 sweet and 6 sour. If you pick a berry at random, what is the…

A: Given that, A jar contains 20 berries 14 sweet and 6 sour.

Q: Allison desk drawer contains 4 blue pens and 5 black pens. Allison selects a blue pen from the…

A: There are totally 9 pens in a drawer out of which 4 are blue pens and 5 are black pens.

Q: A coin is tossed 3 times. The probability of getting exactly two heads is

A: Here given that A coin is  tossed 3-times

Q: A coin is flipped 3 times. Determine the probability that one tail will result from the three…

A: We have to use Binomial distribution. Binomial distribution : If random variable x follows Binomial…

Q: flip a coin three times.what is the probability of geting at least two heads

A: Let us denote H=head and T=tail So the possible outcomes are for three tosses= HHH, HHT, HTH, HTT,…

Q: 8 people are taking a driving test. If the probability of passing the test is 0.75. What is the…

A:

Q: A bag contains 7 red marbles, 6 blue marbles and 4 green marbles. If three marbles are drawn out of…

A:

Q: A die is thrown ten times. What is the probability that the sum of the scores is 27?

A:

Q: A die is thrown twice. What is the probability of getting the sum 7?

A: Total possible outcomes when A die is thrown twice = 36

Q: Two coin are tossed. What is the probability of tossing “two heads or two tails”?

A:

Q: A coin is tossed and a die is rolled. Find the probability of getting a head and a number greater…

A: Given that  A coin is tossed and a die is rolled. Sample…

Q: Five grade 10 students, six grade 11 students and four grade 12 have signed up for a trip. Only four…

A:

Q: coin is tossed 6 times. Find the probability of getting at least 1 tail.

A:

Q: A coin is tossed 10 times. We get head 4 times and tail 6 times. Compute the probability for each…

A:

Q: Five coins are tossed. What is the probability of getting all heads or all tails?

A:

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 tossed 200 times. Find the probability that heads will show 100 times.

A:

Q: In an average year in Las Vegas, there are 5 fires. a. What is the probability that there'll 8 fires…

A: Given problem Given that   a)

Q: A coin is tossed three times. find the probability of getting at most one head.

A: Here we have given that coin is tossed 3 times then corresponding sample space for the event is,…

Q: You select 3 cards from a deck of 52 cards (without replacement). What is the probability that you…

A: select 3 cards from standard deck of 52 cards without replacement P(atleast one ace) = ?

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.