the r.v. X~N(0, 02)what is the probability that the random reval include(IX), |10X|) the point o. What is the expected

Q: Find the probability a randomly selected z-score is more than -1.31. Round your result to 4 decim.…

A: Probability that a randomly selected z score is more than -1.31  P(Z>-1.31)  The normal…

Q: A survey of all medium- and large-sized corporations showed that 64 % of them offer retirement plans…

A:

Q: When a man observed a sobriety checkpoint conducted by a police department, he saw 681 drivers were…

A:

Q: During the first 27 days of the new program, the manager determined that 5 % of customers were not…

A: Given data During the first 27 days of the new program the manager determined that 5% of customers…

Q: The probability that a person catches a cold during the cold and flu season is 0.4. Assume that 10…

A:

Q: d) Calculate the 2nd moment with respect to the mean of this random variable.

A:

Q: Find the probability a randomly selected z-score is between -1.4 and 2.3.  Round your result to 4…

A: We have to find given probability

Q: When a man observed a sobriety checkpoint conducted by a police department, he saw 683 drivers were…

A:

Q: A particularly long traffic light on your morning commute is green 22% of the time that you approach…

A: The binomial distribution is frequently used to model the number of successes in a sample of size n…

Q: When circuit boards used in the manufacture of compact disc players are tested, the long-run…

A: Obtain the approximate probability that there are exactly 10 defectives in the batch. The…

Q: A factory received a shipment of 9 flanges, and the vendor who sold the items knows there are 2…

A: According to the provided information, there are 9 flanges and 2 flanges in the shipment that are…

Q: The probability that an item made by a certain company will bedefectiveis 0.1. Compute the…

A: Given : probability of success = p = 0.1 probability of failure = q = 1 - p…

Q: In a recent survey, 65% of the community favored building a health center in their neighborhood. If…

A: It is given that the number of citizens is 14. There is 65% of the community favored building a…

Q: he manager of Toy World has decided to accept a shipment of electronic games if none of a random…

A: This problem can be solved using the binomial distribution formula.

Q: two regular six sided dice are tossed.  Compute the probability that the sum of the pips on the…

A:

Q: Suppose the time to failure, in hours, of a bearing in a mechanical shaft, is a Weibull random…

A: From the given information, the time to failure of a bearing in a mechanical shaft is a Weibull…

Q: A survey of all medium- and large-sized corporations showed that 68% of them offer retirement plans…

A: Solution: Given information: n= 40 Sample size  p= 0.68 Population proportion

Q: Find the probability a randomly selected z-score is between -1 and 1.2.

A: Probability that the randomly selected Z-score is between -1 and 1.2 P(-1<z<1.2)   We know…

Q: x is the number of defective parts in a sample of 10 randomly selected parts coming from a…

A:

Q: A national survey found that 42​% of adults ages​ 25-29 had only a cell phone and no landline.…

A:

Q: About 32% of students participate in a community volunteer program outside of school if 30 students…

A: Let X be the number of students participate in a community volunteer program from binomial…

Q: The United States Department of Agriculture (USDA) found that the proportion of young adults ages…

A: Given Information: p = 0.238 n = 500 Let X be the number of individuals who regularly skip breakfast…

Q: According to Forbes magazine, forty percent of Internet browser users use Google Chrome. Use the…

A: Given, n=20 p=0.4 Excel output table:

Q: The normal probability of a z-score of -1.98 is 56.52%. O True O False e to search

A: We have given that.   X~N( μ , ?^2 )   μ=0  , ?=1  ( for standard normal)   Z-score =( x - μ )/?

Q: In a certain population, 96% of the people have Rh-positive blood. Suppose that two people from this…

A:

Q: The brand name of McDonald's has a 95% recognition rate. If a McDonald's executive wants to verify…

A: Let X be the number of consumers recognize the McDonald's brand name which follows binomial…

Q: An automobile manufacturer advertises its newest vehicle's miles per gallon at u = 41 on the…

A:

Q: When a man observed a sobriety checkpoint conducted by a police department, he saw 691 drivers were…

A: From the information, P(W) denotes the probability of screening a driver and getting someone who is…

Q: (c) What is the probability of obtaining x = 150 or fewer individuals with the characteristic? That…

A: It is given that n =200 and p =0.8.

Q: factory received a shipment of 14 flanges, and the vendor who sold the items knows there are 7…

A:

Q: At a certain fast-food restaurant, 41% of customers ordera chicken sandwich, 37% of customers order…

A:

Q: The probability that merchandise stolen from a store will be recovered is 15%. Suppose a random…

A: Let X= number of merchandise stolen from a store and that will be recovered Given that the…

Q: 45% of the population has Type o blood.  Find the probability that exactly 6 people in a group of 10…

A: Obtain the probability that exactly 6 people in a group of 10 random people have Type o blood.   The…

Q: What is the probability that a randomly selected z-value will be greater than 2.23?

A: According to the provided information, we need to calculate P(Z>2.23)

Q: Suppose that you spin the dial shown below so that it comes to rest at a random position. Use R to…

A: We want to find probability  P(170<x<330) X~Uniform(0,360)

Q: Suppose a life insurance company sells a $260,000 one-year term life insurance policy to a…

A: Given data: The amount which is required to purchase the policy = $200. The probability that the…

Q: What is the probability that: (Express answers to 4 decimal places) c) between 6 and 11 of the…

A: Let p be the probability that a person who had coronary bypass surgery in 2008 were over the age of…

Q: the probability that a woman show marIce d improvoment? what is treatment 1 in Will

A: The number of woman in treatment 1 will show marked improvement is 596.

Q: The probability is 0.1 that a person shopping at a certain store will spend less than $20. For…

A: Given The probability is 0.1 that a person shopping at a certain store will spend less than $20. For…

Q: The reaction of an individual to a stimulus in a psychological experiment may take one of two forms,…

A: a) The confidence level is 90%. Therefore, α = 0.10, α/2=0.05 and 1- α/2=0.95. Thus, zα/2 =1.645…

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

A: Given data,      P=0.16      n=800  1. σP =P 1-Pn

Q: Supposé that discrete random variable X counts the number of heads i tosses of a balanced coin. What…

A: the sample space for 4 coin tossed is…

Q: Find the probability that a 4 is obtained on one of the dice in a throw of rwo dice, given that the…

A:

Q: A survey of all medium- and large-sized corporations showed that 60% of them offer retirement plans…

A:

Q: Assume each newborn baby has a probability of approximately 0.49 of being female and 0.51 of being…

A:

Q: Samples of 20 parts from a metal punching process are selected every hour. Typically, 1% of the…

A:

Q: 2. Use the normal approximation to the binomial with n=10 and p=0.5 to find the probability P(X27)

A: The objective is to use the normal approximation to the binomial with parameters n=10 and p=0.5 to…

Q: The rainfall (in inches) in a certain region is uniformlydistributed over the interval 332, 444.a.…

A: The rainfall (in inches) in a certain region is uniformly distributed over the interval 332, 444.…

Q: probability that all 10of the flights were on time is?

A: Let p be the probability that a flight have arrived on time. Given that p = 0.84 Let X denote the…