20 % of biscuits made by a baker are chocolate chip cookies. 11 biscuits are selected at random. a) Assuming a binomial distribution for X , the number of chocolate chip cookies, write down the values of nand p X∼bin(n,p) n=?        p=? b) Find the probability that our selection contains exactly 3 chocolate chip cookies. P(X=3)=  (to 3 decimal places).   Find the probability that our selection contains no more than 1 chocolate chip cookies. Probability = ?  (to 3 decimal places).

Q: Find the probability that none of them enjoy eating earwimgs

A: Solution: Given: n = Sample size = 7 Population proportion  = p = 82% = 0.82 We have to find P(none…

Q: The distribution of birth weights (in g) for babies is approximately ?(2750, 560). What is the…

A: We have given that,  If babies birth weights follows normal distribution, with mean( Mu) =2750 and…

Q: In a population where 76%76% of voters prefer Candidate A, an organization conducts a poll of 77…

A: It is given that n = 7 and p =0.76.

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.38​%. A random sample of 32 of…

A: The probability of the mean childhood asthma prevalence for the sample is greater than 2.7​% is…

Q: The mean height of women in a country​ (ages 20−​29) is 64.3 inches. A random sample of 50 women…

A: Solution: Let X be the height of women in a country (ages 20-29). From the given information, X has…

Q: Based on a​ survey, assume that 3333​% of consumers are comfortable having drones deliver their…

A:

Q: Consider a set of 10 seeds planted in a field on day 1. Each seed sprouts the day after being…

A: Solution:a) Find the pmf of X. Find the mean and variance of X.Answer: The ranodm variable X follows…

Q: According to astudy, 80% of children nide their purihases fromm their parents in a random Sample of…

A: Given: n=22p=0.80q=1-p=1-0.80=0.20 The probability that at least 21 children hide their purchase is…

Q: 64% of all Americans are home owners. If 47 Americans are randomly selected, find the probability…

A: sample size(n)=47 p=0.64 A random variable X~Binomial(n=47 , p=0.64) P(X=x)=Cxpx(1-p)n-x   ;…

Q: mean height of women in a country​ (ages 20 −​29) is 64.4 inches. A random sample of 50 women in…

A: Mean=64.4, Sample size=50

Q: ) The probability that a daisy seed will germinate is 0.5. A gardener plants se Find the mean for…

A:

Q: TF.6 The probability of finishing a statistics exam on time is .80. Assuming binomial distribution,…

A: Given : The probability of finishing a statistics exam on time is 0.80.…

Q: None

A: According to the provided table, the number of school drivers who texted while driving and drove…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.26​%. A random sample of 30 of…

A: Given that.   X~N( μ , ?)   μ=2.26   , ?=1.20   Z-score =( x - μ )/?

Q: The random variable x represents the number of emails a student receives on a day. Assume it has a…

A:

Q: The number of students who go to the library to study two weeks before the main examination follow a…

A: Let X be number of students going to library to study in every 2 days Given Data: X~Poi(250)   Let Y…

Q: One source approximates that 39% of Canadian nationals identify as Catholic, 73.4% of Mexican…

A: Given information: PC|Can=0.39. PC|Mex=0.734. PC|Ame=0.211 The event C indicates the selected people…

Q: The mean height of women in a country​ (ages 20 −​29) is 64.3 inches. A random sample of 75 women in…

A: The mean height of women in a country​ is 64.3 inches. A random sample of 75 women in this age group…

Q: The Food Marketing Institute shows that 16% of households spend more than $100 per week on…

A: 1. The standard error for the proportion of households spending more than $100 per week on groceries…

Q: Suppose a household’s income is randomly drawn from the uniform distribution [0,10]. If the…

A: Given : X~U0,10 where X denotes the income. PX<A=0.1

Q: Assume that when adults with smartphones are randomly selected,56​% use them in meetings or classes.…

A: Given,n=5p=0.56Let X=no.of adults use their smartphones in meeting or classesX~Binomial(n=5 ,…

Q: 20% of testers pass an exam on average In the first year. 20 random students are randomly selected.…

A:

Q: 2) Sideswipe Sam is a terrible driver. Assume that the probability that Sam will sideswipe a parked…

A: Given : Probability that Sam will sideswipe a parked car = p = 0.02 Let X denotes the number days…

Q: A box contains 5 red and 4 green marbles. A sample of 2 marbles is randomly taken. Let X be the…

A: In question, Given that A box contains 5 red and 4 green marbles. A sample of 2 marbles is randomly…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.07%. A random sample of 30 of…

A: Solution-: Given: μ=2.07%,σ=1.23%,n=30 We find, P[the mean childhood asthma prevalence for the…

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: We have to find given probability..

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.43%. A random sample of 34 of…

A:

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.13%. A random sample of 30 of…

A:

Q: he probability that a person in the United States has type B​+ blood is 10​%. Three unrelated people…

A: Given data,The probability that a person in the United States has type B​+ blood is p=10%=0.10If 3…

Q: A recent survey of 1030 U.S. adults selected at random showed that 665 consider the occupation of…

A: From the provided information,Total US adults = 1030665 consider the occupation of firefighter to…

Q: A test was given to a random group of students. The grades and gender are summarized below: {Give a…

A:

Q: Suppose x is a uniform random variable with values ranging from 40 to 90. Find the probability that…

A: given data  x is uniformly distributed between 40 and 90.  X~U(40,90) P(x>55) = ?

Q: In a large population, 67 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Let us denote X=the number of people who have been vaccinated n=sample size= 4 p=probability of…