Up Your Binomial Probability Skills

Recent questions in Binomial probability

beljuA 2021-09-19

A coffee connoisseur claims that he can distinguish between a cup of instant coffee and a cup of percolator coffee 75% of the time. It is agreed that his claim will be accepted if he correctly identifies at least 5 of the 6 cups. Find his chances of having the claim i) accepted, ii) rejected, when he does have the ability he claims.

Chaya Galloway 2021-09-19

Sue and Ann are taking the same English class but they do not study together, so whether one passes will be Independent of whether the other passes. In other words, "Sue passes and "Ann passes" are assumed to be independent events. The probebiity that Sue passes English is 0.8 and the probablity that Ann passes English is 0.75 What is the probability neither girl passes English?

Cabiolab 2021-09-19

a) Whether the manager is correct or not.
b) To identify: The probability distribution which is suitable for the given scenario and the whether the distribution of the number of pregnancies is descrete or continuous.

a2linetagadaW 2021-09-19

A coin is tossed 5 times. Find the probability that all are tails. Find the probability that at most 2 are tails.

djeljenike 2021-09-19

A study conducted by a research group in a recent year reported that 57% of cell phone owners used their phones inside a store for guidance on purchasing decisions. A sample of 15 cell phone owners is studied. Round the answers to at least four decimal places. What is the probability that five or more of them used their phones for guidance on purchasing decisions?

vestirme4 2021-09-19

a) To find: The mean number of new infections for the 20 vaccinated children.
To find: The probability that no more than 2 of the 20 children develop infections.
b) To find: The mean number of new infections for none of the 20 are vaccinated children.
To find: The probability that 18 or more of the 20 children develop infections.

smileycellist2 2021-09-19

A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n independent trials of the experiment. $n = 5, p = .35, x = 2$
P(2)

preprekomW 2021-09-19

A Bernoulli process has 4 trials and probability of success 0.31. Find the following probabilities.
1. Exactly 2 successes.
2. Exactly 2 failures.
3. At most 1 success.
4. At least 1 success.
5. At least 1 success and 1 failure.

tabita57i 2021-09-19

In a binomial probability question, the phrase "at least 8" consists of which set of numbers?
Group of answer choices
{9, 10, 11, ...}
{0, 1, 2, ..., 7}
{0, 1, 2, ... 8}
{8, 9, 10, ...}

tabita57i 2021-09-18

Sixty-eight percent of adults would still consider a car brand despite product/safety recalls. You randomly select 20 adults. Find the probability that the number of adults that would still consider a car brand despite product/safety recalls is at most one.
Distribution type: ? Probability: ?

ruigE 2021-09-18

34% of college students say they use credit cards because of rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five include. If convenient, use technology to find the probabilities.
$(a) P (2) = ?$

slaggingV 2021-09-18

When calculating $P (X = k)$ , which of the following is used?
Bernoulli distribution
Binomial probability mass function
Binomial cumulative distribution function

aortiH 2021-09-17

Let's say a family has seven kids. Also, suppose that the probability of having a girl is 1/2. Find the probability that the family has at least 6 girls.

Wotzdorfg 2021-09-17

Assume $p = .60 and n = 200$ for a binomial probability distribution.
a. what are the mean and standard deviation?
b. Is this situation one in which binomial probabilities can be approximated by the normal probability distribution? Explain.
c. what is the probability of 100 to 110 successes?

chillywilly12a 2021-09-17

According to sales information in the first quarter of 2016. 2.5% of new vehicles sold in the United States were hybrids. This is down from 2.8% for the same period a year earlier. An analysts

Tammy Todd 2021-09-17

a) Compute the number of vehicles expected to be hybrid.
b) Compute the probability that five of the sales were hybrid vehicles using Poisson distribution.
c) Compute the probability that five of the sales were hybrid vehicles using binomial distribution.

Wotzdorfg 2021-09-17

Use the binomial probability formula to find $P (x) n = 16, x = 3, p - \frac{1}{5}$

permaneceerc 2021-09-17

About 81% of Hartnell students plan to vote this November. A random sample of $n = 35$ students is selected. What is the probability exactly 29 say they will vote this November?

CMIIh 2021-09-17

45% of the population has Type O blood. Find the probability that exactly 6 people in a group of 10 random people have Type O blood. Round your answer to six decimal places.

smileycellist2 2021-09-16

A. Compute the probability of $x = 1$ using the binomial formula.
B. Compute the binomial probability of $x = 2$ using the binomial formula.

Binomial probability is one of those subjects that we learn during high school studies, yet good binomial probability examples are not mentioned in most cases, which doesn’t help to solve various questions or find the answers without turning to formulas that do not fit. It’s all about being able to calculate the probability as binomial probability problems can be compared to purchasing a lottery ticket where one can either win or leave without any luck. Addressing the lack of examples, we provide binomial questions and explain how certain answers have been found to address this or that binomial probability equation.

High school probability

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