The average student loan debt for college graduates is $26,000. Suppose that that distribution is normal and that the standard deviation is $11,500. Let X = the student loan debt of a randomly selected college graduate. Round all probabilities to 4 decimal places and all dollar answers to the nearest dollar. a.  What is the distribution of X? X ~ N(,)

Q: Suppose that the walking step lengths of males are normally distributed with a mean of 2.5 feet and…

A: We have to find given probability.

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

A: Suppose the random variable x defines the IQ score of a randomly selected adult.The random variable…

Q: The average amount of money spent for lunch per person in the college cafeteria is $6.2 and the…

A: Here, 43 samples are collected. b.) Hence, if the sample mean is denoted by x, then, x~N(μ,σ2n),…

Q: Suppose that the annual rate of return for a common biotechnology stock is normally distributed with…

A:

Q: Salaries for teachers in a particular elementary school district are normally distributed with a…

A: Let X be the salaries for teachers in a particular elementary school district are normally…

Q: Los Angeles workers have an average commute of 34 minutes. Suppose the LA commute time is normally…

A: a) Mean= 34 Standard deviation = 15  So, variance= 152= 225 X~N(mean, variance)=N(34,225)…

Q: Private nonprofit four-year colleges charge, on average, $27,845 per year in tuition and fees. The…

A: Given mean= 27845  Standard deviation = 6534  So, variance= 65342=42693156   Answer(a):…

Q: The average student loan debt for college graduates is $25,850. Suppose that that distribution is…

A: Given The distribution is normal with average student loan debt for college graduates is $25850 and…

Q: An insurance salesperson sells an average of 4.90 policies per day. Let x denote the number of…

A:

Q: The number of sales varies by day from 0 to 5 and is given by the following probability…

A:

Q: The following table shows the number of people that have either 0, 1, 2 or 3 cars registered in…

A: Using the given frequency distribution table to find the probabilities of each x value as follows:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.9 and a standard…

A:

Q: The Wall Street Journal reported that 33% of taxpayers with adjusted gross incomes between $30,000…

A: The question is about central limit theorem.Given :Population mean amount of deduction (  ) =…

Q: The following table represents the probability of the number of cars owned by a college student.…

A: From the provided information,The probability distribution table is as…

Q: The average student loan debt for college graduates is $25,000. Suppose that that distribution is…

A:

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 78…

A: Note: According to our guidelines we can answer only three subparts and rest can be repost.

Q: Financial analysts who make forecasts of stock prices are categorized as either​ "buy-side" analysts…

A: Given data:   ​Buy-Side Analysts (X) ​Sell-Side Analysts (Y) Mean μx=0.84 μy=−0.06 Standard…

Q: Private nonprofit four-year colleges charge, on average, $26,251 per year in tuition and fees. The…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard…

A: Let "X" be the IQ score of the adults.

Q: The average amount of money spent for lunch per person in the college cafeteria is $6.57 and the…

A: Hi! Thank you for posting the question. Since your question has more than three sub-parts, we have…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96 and a standard…

A: GIVEN DATA , normal distribution μ=96σ=18robability that a randomly selected adult has an IQ greater…

Q: If z is a standard normal variable, find the probability. The probability that z lies between -1.10…

A: We have to find the probability. The probability that z lies between -1.10 and -0.36.

Q: d. What is the probability that average yield for 10 days is at most 800 tons? e. What is the…

A:

Q: A newsstand manager is tracking Y, the number of weekly magazines left on the shelf when the new…

A: Given: The probability distribution of Y is Y P(Y=y) 3 13 7 14 10 13 12 112 E[X] =…

Q: A grocery​ store's receipts show that Sunday customer purchases have a skewed distribution with a…

A: From the provided information, Mean (µ) =29 Standard deviation (σ) = 21 Sample size (n) = 307 For…

Q: Let X be the number of successes in a fixed number of repeated trials and let p be the probability…

A: Let X be the number of successes in a fixed number of repeated trials and let p be the probability…

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 66…

A: Given : X~Nμ=66,σ=17

Q: A 138.

A: Probability is the method used to obtain the chance of an event happening. It never takes negative…

Q: A particular fruit's weights are normally distributed, with a mean of 526 grams and a standard…

A:

Q: Full-time Ph.D. students receive an average of $12,837 per year. If the average salaries are…

A: Given information- Population mean, µ = $12,837 per year Population standard deviation, σ = $1500…

Q: Find the standard deviation of the distribution.

A: Let X denote the number of defective parts in one day. The standard deviation of the distribution is…

Q: The average THC content of marijuana sold on the street is 10.8%. Suppose the THC content is…

A: Given, mean= 10.8  Standard deviation= 1 So, variance= 12=1 So, X~N(mean,variance)= N(10.8,1)…

Q: A survey asked recently retired people how many different employers they had during their working…

A: For the given probability distribution table, mean and standard deviation can be calculated as…

Q: The amount of rain falling in Waimea Canyon State Park, Kauai is normally distributed with a mean of…

A:

Q: On average, indoor cats live to 12 years old with a standard deviation of 2.4 years. Suppose that…

A:

Q: In 2008, the per capita consumption of soft drinks in Country A was reported to be 18.03 gallons…

A:

Q: The percent of fat calories that a person in America consumes each day is normally distributed with…

A: Given Information: he percent of fat calories that a person in America consumes each day is normally…

Q: On average, indoor cats live to 12 years old with a standard deviation of 2.4 years. Suppose that…

A:

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…

Q: The average amount of money spent for lunch per person in the college cafeteria is $5.97 and the…

A: GivenMean(μ)=5.97standard deviation(σ)=2.3sample size(n)=49

Q: The WAIS is an IQ test. Scores on the WAIS for the 20-34 age group are normally distributed with a…

A: It is given that the mean and standard deviation for the age group of 60-64 is 90 and standard…

Q: Americans receive an average of 20 Christmas cards each year. Suppose the number of Chris cards is…

A: Given data,Mean μ=20sd     σ=6Let X be no of christmas cards received

Q: ales that average delly high temperature in June in a particular city with a standard deviation of…

A: Given Information: The average daily temperature in June in a particular day is 86°F with a standard…

Q: The average student loan debt for college graduates is $25,600. Suppose that that distribution is…

A:

Q: assume that adults have IQ scores that are normally distributed with a mean of 99.5 and a standard…

A:

Q: Find the p-value of a Normal Distribution using Mean u = 8 and Population Standard Deviation o 2…

A: Note- Since you have posted multiple questions, as per our guidelines we are supposed to answer only…

Q: a. What is the standard deviation of lifetimes? b. What is the probability that a component lasts…

A: It is given that the lifetime of a certain component has an exponential distribution with mean λ =…