The IQ of children in a special education class are normally distributed with µ=95 and Q=10 What is the probability that one of the children has an IQ score below 100? What is the probability that a child has an IQ score above 120? What are the chances that a child has an IQ score of 140

Q: Based on historical data, your manager believes that 33% of the company's orders come from…

A: It is given that n =89 and p =0.33.

Q: Machine A is later found that it will produce 2 defective toys per hour. According to the most…

A:

Q: The probability of a randomly selected adult in one country being infected with a certain virus is…

A:

Q: If a seed is planted, it has a 61% chance of growing into a healthy plant. Let X be the number of…

A: For X~B(n,p), the pmf is, P(X=x)=nCxpxqn-x ; x=0,1,2...n             p=probability of success,…

Q: The median score for the final exam in a COMM 215 class was 70 and 21.5% of the students received a…

A: Mean = Median (Normal distribution property) -------------------------- Z = x-μσ~N(0,1)

Q: The speed of cars passing through the intersection of Blossom Hill Road and the Almaden Expressway…

A: The probability that the speed of a car is at most 29 mph is 0.727, which is obtained below:…

Q: The probability of a randomly selected adult in one country being infected with a certain virus is…

A: Consider X be a random variable which follows binomial distribution indicates the blood sample of…

Q: Cumulative SAT scores are approximately normally distributed with a mean of 1550. If a sample of 12…

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Q: If a seed is planted, it has a 35% chance of growing into a healthy plant. Let X be the number of…

A:

Q: The probability of a certain side effect is 80%. If three patients independently get this treatment,…

A: Given problem Given that   The probability of a certain side effect is = 80% = 0.8 If three…

Q: Based on historical data, your manager believes that 32% of the company's orders come from…

A: Given p=0.32n=89 Let the sample proportion be denoted by p^

Q: A pharmaceutical company claims that 20% of those taking its new allergy medication will experience…

A: Of the people who take the new allergy medication of the company, p = 20% will experience…

Q: The probability of a randomly selected adult in one country being infected with a certain virus is…

A: We have to find given probability.

Q: A recent study of robberies for a certain geographic region showed an average of 1 robbery per 18717…

A: From the provided information, The study showed an average of 1 robbery per 18717 people. And there…

Q: In 1970, 90% of 30-year-olds in a country earned more than their parents did at age 30 (adjusted for…

A: Given,P(in 1970 , 30 years old in a country earned more than their parents)=0.90P(in 2014 , 30 years…

Q: The table summarizes results from 983 pedestrian deaths that were caused by automobile accidents.…

A: Total number of pedestrian who's no  intoxicated =70+573=643 Total number of accident=983 We want to…

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

A:

Q: Based on historical data, your manager believes that 30% of the company's orders come from…

A:

Q: The National Vaccine Information Center estimates that 90% of Americans have had chickenpox by the…

A: It is given that 90% of Americans have had chickenpox by the time they reach adulthood.

Q: If the group contains 6 women, what is the probability that the two chosen will both be women

A: It is given that Total consumers = 20 Number of women = 6 Sample size = 2

Q: The heights of men in a city are normally distributed with mean 171 cm and SD 7 cm, while the…

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Q: According to a study done by Nick Wilson of Otago University Wellington, the probability a randomly…

A:

Q: If a seed is planted, it has a 59% chance of growing into a healthy plant. Let X be the number of…

A:

Q: The amount of time for one employee to be served at the company coffee shop is a random variable…

A: Given : θ = 4 Px≤3 = 1 - e-34               = 1 - 0.4724              = 0.5276

Q: A recent study reported that 30% of the residents of a particular community lived in poverty.…

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

A: From the provided information, Mean (µ) = 12 For exponential distribution, the probability formula…

Q: The average price of a personal computer (PC) is $949. If the computer prices are approximately…

A: Obtain the probability that a randomly selected PC costs more than $1200. The probability that a…

Q: The Agency for Healthcare Research and Quality reported that 53% of people who had coronary bypass…

A:

Q: Recently, a nurse commented that when a patient calls the medical advice line claiming to have th…

A:

Q: It is reported that the market share of iphones is 40%. (i.e. 40% of all cell phones are iphones)…

A:

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

A: Given information: p=0.25 Sample size, n=100

Q: A well-mixed cookie dough will produce cookies with a mean of 6 chocolate chips apiece. What is the…

A: Given problem is poisson distribution Mean=6

Q: Find the probability that at least 44 flights arrive late.

A: Given : n=10 , P(flights arriving on time)=0.8 Therefore , P(flights arriving late)=1-0.8=0.2 Let ,…

Q: Suppose that an ice cream dispenser fills up an average of 200 mL per cup. If it is in normal…

A: The average number of ice cream dispenser fill up an average of 200 ml per cup. The standard…

Q: The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of…

A: The probability that exactly 15 flights arrive late is obtained below:Here, the flights which are…

Q: It is reported that the market share of iphones is 40%. (i.e. 40% of all cell phones are…

A: From the provided information, 40% of all cell phones are iphones that is p = 0.40 Sample size (n) =…

Q: The death rate from the A virus in one country has been determined to be 1 person per 100 000…

A: One of the most important discrete type random variable is binomial distribution. When the number of…

Q: The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of…

A: It is given that 80% of the flights arriving on time. Then the probability that the flights arriving…

Q: At a local university, 40% of students live in dormitories. A random sample of 80 students is…

A: The given information is that the random sample of 80 students is selected for a particular study.…

Q: According to a study done by Nick Wilson of Otago University Wellington, the probability a randomly…

A: Given, Probability that a person will not cover his or her mouth (p) = 0.267 Probability that a…

Q: What percentage of such patients have a stress score lower than 6.0? b. What is the probability that…

A: Answer:----.                 Date:----26/10/2021

Q: The president of Doerman Distributors, Inc. believes that 30% of the firm's orders come from…

A: Given that, P=0.30, n=100 We have to find Pp-P≤0.05

Q: The length of time for one individual to be served at a cafeteria is a random variable having an…

A: Probability distribution function explains the probability distribution of the observations for…

Q: The length of time for one individual to be served at a cafeteria is a random variable having an…

A: Let X be a random variable representing the length of time for one individual to be served at a…

Q: The probability of a randomly selected adult in one country being infected with a certain virus is…

A: The probability that the adult is infected with virus is 0.004. When at least one of the person has…

Q: If a seed is planted, it has a 61% chance of growing into a healthy plant. Let X be the number of…

A: Let p be the chance of growing into a healthy plant = 0.61 Let n be the number of seeds planted = 57…

Q: The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of…

A: Solution-: Given:  We find, P[Exactly 4 flights arriving on time ]=?

Q: arried out in January 2021, 78% of U.S. adults said that dealing with coronavirus outbreak should be…

A:

Q: For a marketing research it is known that the proportion women who use personal care products is…

A: