Question
In: Statistics and Probability
1st Case: What is the probability of getting 3 heads when 10 coins are tossed? 2nd...
1st Case: What is the probability of getting 3 heads when 10 coins are tossed? 2nd Case:What is the probability of getting 3 or less heads when 10 coins are tossed? 3rd Case: What is the probability of getting 3 or less heads when 10 coins are tossed?
Don't use Excel
Solutions
orchestra answered 1 year agoRelated Solutions
Three fair coins are tossed simultaneously 10 times. Find the probability that "2 heads and one...
Three fair coins are tossed simultaneously 10 times. Find the
probability that "2 heads and one tail" will show up (a) at least
once and (b) at most once.
In tossing three fair coins, what is the probability of getting at least two heads?
In tossing three fair coins, what is the probability of getting
at least two heads?
For the following exercises, four coins are tossed. Find the probability of tossing either two heads or three heads.
For the following exercises, four coins are tossed.Find the probability of tossing either two heads or three heads.
Suppose 16 coins are tossed. Find the probability of getting the following result using the binomial...
Suppose 16 coins are tossed. Find the probability of getting the
following result using the binomial probability formula and the
normal curve approximation.
Exactly 6 heads.
Binomial probability =
(Round to 4 decimal places.)
Normal curve approximation almost =
(Round to 4 decimal places.)
Two coins are tossed. A die is thrown for each coin that falls heads. What is...
Two coins are tossed. A die is thrown for each coin that falls
heads. What is the expected number of spots shown on the dice?
A box contains 5 fair coins, 4 coins that land heads with probability 1/3 , and...
A box contains 5 fair coins, 4 coins that land heads with
probability 1/3 , and 1 coin that lands heads with probability 1/4
. A coin is taken from the box at random and flipped repeatedly
until it has landed heads three times. Let X be the number of times
that the coin is flipped and Y be the probability that the coin
lands heads.
(a) Find the random variables E(X|Y ) and var(X|Y ) in terms of
Y...
A box contains 5 fair coins, 4 coins that land heads with probability 1/3 , and...
A box contains 5 fair coins, 4 coins that land heads with
probability 1/3 , and 1 coin that lands heads with probability 1/4
. A coin is taken from the box at random and flipped repeatedly
until it has landed heads three times. Let X be the number of times
that the coin is flipped and Y be the probability that the coin
lands heads.
(a) Find the random variables E(X|Y ) and var(X|Y ) in terms of
Y...
A box contains 5 fair coins, 4 coins that land heads with probability 1/3 , and...
A box contains 5 fair coins, 4 coins that land heads with
probability 1/3 , and 1 coin that lands heads with probability 1/4
. A coin is taken from the box at random and flipped repeatedly
until it has landed heads three times. Let X be the number of times
that the coin is flipped and Y be the probability that the coin
lands heads.
(a) Find the random variables E(X|Y ) and var(X|Y ) in terms of
Y...
4 fair coins are tossed. Let X be the number of heads and Y be the...
4 fair coins are tossed. Let X be the number of heads and Y be
the number of tails. Find Var(X-Y)
Solution: 3.5
Why?
If a pair of dice is tossed six times what is the probability of getting a...
If a pair of dice is tossed six times what is the probability of
getting a total 9 ?
how to solve this on excel?
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