What is the probability that more than 5 cars arrive within a one hour period? What is P(X>5)?

Q: The table summarizes results from 975 pedestrian deaths that were caused by automobile accidents.…

A: We have given that  Drivers intoxicated  Pedestrian Intoxicated Yes Pedestrian Intoxicated No…

Q: The probability of winning on an arcade game is 0.606. If you play the arcade game 20 times, what is…

A: Let P denote the  probability of winning on an arcade game = 0.606.  Let n denote the number of…

Q: Please show work thanks. The percentage of defective articles produced by a machine is 8%. Use a…

A: Introduction: Denote p as the true population proportion of defective articles produced by the…

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: et X_1, X_2, ..., X_100 be i.i.d. Exp(1/2). Approximate the probability that X_1+...+X_100 > 230.…

A:

Q: The proportion of individuals that regularly smoke in  a population is known to be 0.25. Applying…

A: Given that: p = 0.25 n = 1000

Q: Suppose that 29% of all people love cats more than dogs. Among 10 random people, what is the…

A: From the provided information, Sample size (n) = 10 29% of all people love cats more than dogs that…

Q: In a factory that produces pieces of ready-made concrete, if the ratio of production of defective…

A:

Q: 6. 69% of high school graduates population attend colleges, out of this population 100 HS graduates…

A: We have to find given probability.

Q: find the z scores probability  1- left area of -2.5 2- right area of 2.5

A: We have to find out z score for left of -2.5 and right of 2.5  Here we use z score table for finding…

Q: What is the Z value of calculating probability of x<3500, on a single test?

A: If is given that,  Mean is μ=7500 and standard deviation is σ=1750

Q: A flood discharge has a return period of 100 years. Please find the following ater occurring once…

A: Given a flood discharge has a return period of 100 years. To find, 1. What is the probability of…

Q: What is the probability of scoring below a z-score of +2.91?

A: What is the probability of scoring below a z-score of +2.91?

Q: He's a normal approximation to find the probability of the indicate a number of voters in this case…

A:

Q: where did the 14 come from when you multiplied by 182 for the expected count?

A: we need clarify, where did the 4 come from when you multiplied by 182 for the expected count

Q: Which expression correctly describes the theoretically probability P(X), where n(X) is the number of…

A: Since the theoretical probability P(X) is given by, PX=nXnS, Where n(X) is the number of times event…

Q: You are riding from Ahmedabad to Gandhinagar on a Sunday morning. Your friend told you that on an…

A: Introduction to Poisson distribution: A random variable X is said to have a Poisson distribution…

Q: The probability of winning a certain lottery to stay in a lodge near Antelope Valley Canyon is 1 For…

A:

Q: You have a discrete distribution such that: coefficient of variation = теan If the mean of this…

A: For a Poisson distribution with parameter λ. The mean = λ and the variance = λ Hence, standard…

Q: 40% of Americans who travel by car look for gas stations and grocery stores that are nearby or…

A: Given n= number of trials =25 p= probability of success=40%=0.40 The random variable X be the number…

Q: Use normal approximation to estimate the probability of passing a true/false test of 50 questions if…

A: Sample size n = 50  P = 0.50   Formula Used: Normal approximation to binomial distribution: Mean μ =…

Q: There is a disease that affects 1/1000 people. A blood test for the disease has a false positive…

A: Given that

Q: What is the probability of obtaining x=730

A: given data  N = 1000000 n = 1000 p = 0.76

Q: hat is the probability distribution if X~B(3, 0.82)

A: Given : X~B(3, 0.82) Here X is a random binomial variable with number of trials , n = 3 and p = 0.82

Q: The mean time (in hours) required to repair a machine is 1/2. Find The probability that a repair…

A: a) Here, X denotes the time required to repair a machine. The average time is ½ hours. That is 1/ λ…

Q: What is the probability that the number of people admitted to an intensive care unit on a particular…

A: Let X be the no. of people admitted to an intensive unit in a particular hospital.Given that,The pmf…

Q: Between 185 and 201 heads Exactly 205 heads More than 227 heads

A:

Q: Suppose that 84% of students who live in a college dorm ate at a Subway restaurant during the past…

A: In this context, X denotes the number of students ate at Subway last week. Here, X follows binomial…

Q: Use normal approximation to estimate the probability of getting more than 54 girls in 100 births.…

A: n=100 p=0.5    ( there are two possibilities boy or girl and p=probability of selecting a girl)…

Q: What is the probability that X equal 2?

A: The probability of rolling a four = 1/6 = p  n = 8

Q: Suppose that the mean number of radioactive particles crossing over a counter in 1 millisecond is 4.…

A: Here given the mean number of radioactive particles crossing over a counter in 1 milliseconds is 4…

Q: he mean height of women in a country​ (ages 20minus−​29) is 63.663.6 inches. A random sample of 5555…

A:

Q: You have 4 pennies (lệ each) and 3 nickels (5¢ each) in your pocket. You reach in and blindly grab…

A: We have 4 pennies and 3 nickels and we select randomly 3 coins we have to find that if value of…

Q: In the mid-afternoon a restaurant receives orders such that the time between them follows an…

A: Solution

Q: You are flipping two coins toghether for 'n' times. Suppose, the mean/expected number of double…

A: Let X be the random variable denoting the number of double heads obtained. The sample space…