Suppose the number of cars in a household has a binomial distribution with parameters n = 8, and p = 20 %. Find the probability of a household having: (a) 1 or 5 cars  (b) 3 or fewer cars  (c) 1 or more cars  (d) fewer than 5 cars  (e) more than 3 cars

Q: shows the percer ans people are donating blood, what is pected number of people with type od? Why…

A:

Q: The time between arrivals of vehicles at a particular intersection follows an exponential…

A: given data exponential distributionμ = 11 secondsλ = 111 per secondsx = time between…

Q: About 77​% of all female heart transplant patients will survive for at least 3 years. Eighty female…

A: The probability that the sample proportion surviving for at least 3 years will be less than 72​% is,

Q: suppose a well mixed cookie dough will produce cookies with a mean of seven chocolate chips a…

A:

Q: What is the probability of a z-score less than -0.02?

A: It is given that z-score is less than –0.02.

Q: Suppose you work in human resources at a tech company and you're hiring four employees to work in IT…

A: P(good worker) = p = 0.70sample size(n) = 4x = no.of good workersP(X=X) =nCxpxqn-x   ____binomial…

Q: Rosa surveys 53 students at random to determine the proportion of students who have attended Mt. San…

A: Given Information:  Sample size (n) = 53 students Proportion (p) = 0.53

Q: What is the probability of scoring above a z-score of -1.11?

A: Z has follows standard normal distribution with mean zero and standard deviation one.

Q: Suppose the number of children in a household has a binomial distribution with parameters n = 17,…

A: As per our policy we can solve only 3 sub parts per question. Kindly repost again for remaining sub…

Q: Q2. Identify the Incorrect statement. In a Binomial Distribution each trial: A. Has the same 2…

A: we know; in a binomial distribution- 1. each trials are independent. 2. each trials has only 2…

Q: Suppose x is a normally distributed random variable with mean = 14 and st.dev = 2 . Find the…

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Q: A rare form of malignant tumor occurs in 11 children in a​ million, so its probability is 0.000011.…

A: P = 0.000011 So, q = 1-p = 1 - 0.000011 = 0.999989N = 12441 Mean = N*P Standard deviation = √(NPq)

Q: Suppose that the final exam scores of all students in a large math class are normally  distributed…

A: The question is about normal distribution Mean scores of final exam ( μ ) = 130 points Std.…

Q: Suppose you work in human resources at a tech company and you're hiring four employees to work in IT…

A: Given data  Binomial distribution P(being good worker) =p=0.70 n= No. of trials = 20 x=No. of…

Q: What is the probability of scoring above a z-score of -2.00?

A: X~N( μ , ?)μ=0     , ?=1Z-score =( x - μ )/?

Q: In a large restaurant an average 70% customers ask for water with their meal. A random sample of 10…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Assume a researcher wants to know the probability of an individual's systolic blood pressure would…

A: Given,Z-score for 130 is 1.4

Q: he probability that a house in an urban area will be burglarized is 5%. A sample of 50 houses is…

A: Given,n=50p=0.05A random variable X~Binomial(n=50 . p=0.05)P(X=x)=50x0.05x1-0.0550-x   ;…

Q: Assume a researcher wanted to know the probability that an individuals' systolic blood pressure…

A: GivenAssume a researcher wanted to know the probability that an individuals' systolic blood pressure…

Q: assume that the daily retun on Apple stock is approximately normally distributed  with the mean…

A: From the provided information, Mean (µ) = 0.13% Standard deviation (σ) = 2.34% X~N (0.13, 2.34)

Q: A rare form of malignant tumor occurs in 11 children in a​ million, so its probability is 0.000011.…

A: