A radio network determined that the time taken to play a baseball game is normally distributed with a mean of 154 minutes and a standard deviation of 14 minutes. How much time should the radio network to be 86% sure that they can play the entire game without affecting programming?

Q: (a) Find the pmf of X. (b) Find the values of E(X+3) and o² for X. (c) Calculate P(X ≥ 2).

A:

Q: Suppose the weight of pieces of passenger luggage for domestic airline flights follows a normal…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: type of lase inspection equipment was investigated. Assume t standard deviation of the number of…

A: Let's first define our hypotheses:  Null hypothesis: H0: µ = 9.5 (the true mean number of solder…

Q: In a hybrid corn research project, 150 seeds were planted, and 145 of them germinated. Find the…

A: Answer: From the given data, Number of seeds planted (n) = 150 Let X represents the number of seeds…

Q: In a hospital, 40% of the patients are male. It is known that 15% of male patients are suffering…

A: Given in a hospital 40% of the patients are male and 15% of male patients are suffering from Cancer.…

Q: d. What is the probability that more than 5 minutes will elapse before the 1st hit is observed?…

A: Hits at a website arrive at an average rate of 40 hits per hour according to a Poisson process. Let…

Q: This problem involves empirical probability. The table shows the breakdown of 92 thousand single…

A: Answer: From the given data, Since, All the number are in thousand Total number of single parent is…

Q: QUESTION 2 Suppose X has a continuous uniform distribution on the interval [-1,3]. Find the…

A:

Q: Determine the indicated probability for a binomial experiment with the given number of trials n and…

A: binomial distribution n = 13 p = 0.7 x = no. of favorable outcomes P(x<4) = ?

Q: Assuming that the given mean and standard deviation have NOT changed, find the probability of…

A: It is given that  Mean = 9.2 Standard deviation = 1.46 Sample size = 47

Q: different groups

A:

Q: Draw a tree diagram for choosing a vowel​ (a, e,​ i, o,​ u) and then a number (1 or 2). Use the…

A: We have to draw a tree diagram by choosing a vowel (a, e, i, o, u) and then a number (1 or 2)

Q: The level of nitrogen oxides (NOX) in the exhaust of a particular car model varies with mean 0.8…

A: Here, mean is 0.8 and standard deviation  is 0.2 We will use sampling distribution 0.01 to find…

Q: weather on any given day in a particular city can be sunny, cloudy, or rainy. It has been observed…

A:

Q: A bag contains yellow and red marbles. The odds of drawing a red marble are 6 : 7. What is the…

A:

Q: Let X be a normal random variable with mean u and standard deviation a-12. You wish to test the…

A: Population standard deviation σ=12 Null Hypothesis H0:μ=40 Alternative Hypothesis H1:μ≠40

Q: New York City is the most expensive city in the United States for lodging. The mean hotel room rate…

A: Mean(μ)=$204standard deviation(σ)=$5

Q: Suppose a fair die numbered 1 to 9 is rolled 4 times. Complete parts (a) and (b) below. (a) Find the…

A: A fair die  Numbered ( 1 to 9 ) It is rolled 4 times  N= 4 Probability = favorable/total  So ,  In…

Q: Let N be the number of insurance claims per year, and N is following a Poisson distribution, with a…

A: As asked by you, I have answered sub-parts 4 and 5.

Q: A committee of 4 is being formed randomly from the employees at a school: 4 administrators, 30…

A: Combination:   It is nothing but the selection of objects where the order of selection is not…

Q: It is thought that the front cover and the nature of the first question on mail surveys influence…

A: For plain cover: X1=103 Sample size=(n1)=312 For skydiver cover: X2=107 Sample size=(n2)=319

Q: number of juniors in the committee? cted number of juniors in the committee is o two decimal places…

A: Given that a committee of 3 members is selected from a club made up of 8 junior members and 22…

Q: Identify the sampling method used in each observational study: random, simple random, stratified,…

A: To determine the average amount of money that drivers in a particular state spend on auto insurance,…

Q: A pharmacy restructures its fees in order to charge patients a smaller co-pay on prescription drugs.…

A: Answer: From the given data, μ = 19.50 Standard deviation(σ) = 12.75 Sample size(n) =55 mean (x) =…

Q: A sunglasses manufacturer receives frames from three manufacturing companies. What is the…

A: To find the probability that a defective frame was manufactured by company three, we need to use…

Q: probability of being dealt a pair (two cards of the same value) in their initial hand?

A: In a game of Texas hold'em , a player is dealt two cards from a standard deck of 52 cards. there…

Q: expected value-

A:

Q: Components are manufactured via a process in which 5% of all components produced are deemed to be…

A: The random variable X is the number of defective components found in the sample The sample size…

Q: Suppose that a family has 3 children. Also, suppose that the probability of having a girl (based on…

A: family has 3 childrens P(boy)=P(girl) = 12P(family has no girl) = ?

Q: 1) Suppose we have the following transition matrix 0 0.6 0.4 0.5 0 0.5 0.2 0.8 0 a) Find the steady…

A: Given the transition probability matrix as P=00.60.40.500.50.20.80

Q: 1. A. B. to the problem and the student did not get the correct answer. A random sample of 15 people…

A: p=40%, n=15, X=6

Q: Calculate the indicated probabilities, assuming that Z is a continuous random variable that follows…

A: a. The standard normal variable is z that follows normal distribution with mean 0 and standard…

Q: Measurements of scientific systems are always subject to variation, some more than others. There are…

A: f(x)=k(2-x2); -1≤x≤1

Q: To be eligible for further consideration, applicants for certain civil service positions must first…

A: Given Mean(μ)=154 standard deviation(σ)=26

Q: 4. The LA times printed the headline "Most California Voters Support Legalizing That headline was…

A: To construct a 95% confidence interval estimate for the percentage of Californians who support…

Q: Classify each scenario as a meta-analysis or a case study.  a. An economist studies the various…

A: A case study is an in-depth, detailed examination of a particular case (or cases) within a…

Q: Customer account "numbers" for a certain company consists of 2 letters followed by 3 single-digit…

A: Given Customer account "numbers" for a certain company consists of 2 letters followed by 3…

Q: Suppose that 12% of the families in a certain community have no children, 22% have one, 34% have…

A: Answer:- According to the given information,  P( no children) = 12% = 0.1200  P( one children) = 22%…

Q: Twenty-one percent of people say they've seen a ghost or felt its presence. If 13 people are asked,…

A: Answer:- Given, Twenty-one percent of people say they've seen a ghost or felt its presence. That is,…

Q: Problem 2. Let two samples, one of size 15 and the other of 20, be drawn from two normal…

A: Given that  n1=15n2=20x¯1=4x¯2=5s12=1.4s22=2.0

Q: Given the random variable X with distribution: x P(X = x) 0 0.15 0.5 0.24 1 0.09 1.5 0.34 2.0 0.18…

A: Answer:- Given the probability distribution of X is, x P(X = x) 0 0.15 0.5 0.24 1 0.09…

Q: Suppose that you randomly selected 25 adults. Assume 15% of the population smoke. Round all answers…

A: given datap=0.15n= 25 adults we have to  find out the minimum and maximum value according to range…

Q: When playing American roulette, the croupier (attendant) spins a marble that lands in one of the 38…

A: When playing American roulette, the croupier (attendant) spins a marble that lands in one of the 38…

Q: Write out the sample space and assume each outcome is equally likely. Then give the probability of…

A: The information provided in the question are as follows : There are two models of umbrella - 9-foot…

Q: Decagonal spinners Two perfectly balanced regular decagonal spinners are spun. Spins are independent…

A: Note: Hi! Thank you for the question, As per the honor code, we are allowed to answer three…

Q: A typical fuel tanker can carry up to 40,000 L of fuel and can be loaded in about 20 minutes. The…

A: Given that information A typical fuel tanker can carry up to 40,000 L of fuel and can be loaded in…

Q: Let a pair of dice be tossed and let the random variable X denote the sum of the points obtained.…

A: Given that, The experiment is rolling a pair of dice. The random variable X is the sum of the points…

Q: (a) What is the probability that no units are in the system? (b) What is the probability that one…

A: AS PER GUIDELINES I HAVE CALCULATED FIRST 3 SUBPARTS PLZ REPOST FOR REMAINING WITH NOTE I NEED THIS…

Q: Round peas are dominant over recessive wrinkled peas. First, second, and third generations can be…

A: Dominant: Round Peas (R) Recessive: Wrinkled Peas (r) First to Second Generation   Second Parent…

Q: 1) What is the probability that one customer is receiving a haircut and two customers are waiting? )…

A: Marty's Barber Shop has one barber. Customers have an arrival rate of 2.4 customers per hour, and…