The length of time it takes to find a parking space at 9 A.M. follows a normal distribution with a mean of 6 minutes and a standard deviation of 2 minutes. Find the probability that it takes at least 8 minutes to find a parking space. (Round your answer to four decimal places.)

Q: Given a normal distribution with a mean of 150 and a standard deviation of 10, what is the…

A: Given information Mean µ = 150 Standard deviation σ = 10

Q: The average GPA at the University of North Carolina is 3.2, with a standard deviation of 0.3. Assume…

A: Given that.   X~N( μ , ?^2 )   μ=3.2     , ?=0.3   Z-score =( x - μ )/?

Q: Experience has shown that the value of orders placed by customers of Makro is normally distributed,…

A: Obtain the probability that the mean value of the orders in the sample is less than R 1045.   The…

Q: A purveyor of designer maternity wear sells dresses and pants priced around $250 each for an average…

A: Given DataMean = 1000Standard deviation = 400Sales is following normal distributionFinding the…

Q: b. What is the probability of underfilling the bottle by at least 13 milliliters? (Round to four…

A: Given problem Given that

Q: The time taken to download a particular app has been found to be normally distributed, with an…

A:

Q: Assuming that the scores of the student in a test are normally distributed with the mean of 40 and…

A: Given data mean =40 ,standard deviation =6

Q: use the values on the attached table to solve problems related to normal distribution. In a…

A: Given data,μ=20000σ=4000

Q: A soft drink machine outputs a mean of 22 ounces per cup. The machine's output is normally…

A: The random variable X  is defined as the filling of cup with soft drink machine which follows normal…

Q: Find the standard deviation, σ, for the binomial distribution which has the stated values of n and…

A: n = 48; p = 3/5 X ~ N(n, p) Standard deviation = npq                                = 48×35×25…

Q: The amount of soda in a randomly selected bottle varies according to a normal distribution with mean…

A: From the given information,   Mean = 7 Standard deviation = 8   The objective is to find the…

Q: The empirical rule relates the standard deviation of a population to the probability of where a data…

A: The given statement  rule relates the standard deviation of a population to the probability of where…

Q: The quality control manager at a computer manufacturing company believes that the mean life of a…

A: Given that, μ=120,σ=10 and n=90 The probability that the mean of a sample of 90 computers would…

Q: The time needed to complete a final examination in a particular college course is normally…

A: We have to find given probability.

Q: The tensile strength of paper is modeled by a normal distribution with a mean of 36 pounds per…

A:

Q: The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard…

A: Solution: Let X be the length of human pregnancy. From the given information, X follows normal…

Q: Find the standard​ deviation,σ​,for the binomial distribution which has the stated values of n and…

A: Given: n=503p=0.7⇒q=1-p=1-0.7q=0.3 The standard deviation calculates as follows:…

Q: For the binomial​ distribution, which formula finds the standard​ deviation?

A: Consider the terms for any binomial distribution.

Q: The mean height of Grade III pupils is 138 cm with a standard deviation of 8 cm. If a sample of 30…

A:

Q: In the past Algebra classes, records show that the average score of the students in the mid-term…

A: As per our guidelines we can solve first three subpart and rest can be reposted. Solution-: Let, X=…

Q: The amount of cereal in a carton is listed as 18 ounces. The cartons are filled by a machine, and…

A:

Q: According to Money magazine, Maryland had the highest median annual household income of any state in…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: A class distribution is normal with mean of 75 and a standard deviation of 10. Find the following…

A: According to the given information, we haveMean = 75Standard deviation = 10

Q: The probability is 5​% that a student taking the test scores higher than

A: Let X denote the scores of final examination in an introductory statistics course. Given that X…

Q: The lifetime of a particular type of car tire is normally distributed. The mean lifetime is 50,000…

A: Answer: A. 10200.

Q: The score obtained on a Maths exam is normally distributed, with an average score (μ) of 56 and a…

A: According to the provided information, Mean (μ) = 56 Standard Deviation (σ) = 11.25

Q: The time it takes for acrylic paint to dry follows a normal distribution. If the mean is 2 hours and…

A: Solution: Let X be the time it takes for acrylic paint to dry. From the given information, X follows…

Q: The volume of cracker boxes are normally distributed, with a mean of 7 oz and a standard deviation…

A: It is given that:

Q: A normal distribution has a mean of 98 and a standard deviation of 9. Find the z-score for a data…

A: Consider the given:  Formula for z score- z=Value − meanStandard deviationIt is given…

Q: Ten years after graduation, the salaries of Heriot-Watt University graduates are Normally…

A: Given that.   X~N( μ , ?^2 )   μ=55000    , ?=11000   Z-score =( x - μ )/?

Q: The number of pages produced by a fax machine in a busy office is normally distributed with a mean…

A: Normal distribution

Q: Major league baseball salaries averaged $1.5 million with a standard deviation of $ 0.8 million in…

A: From the provided information, the average salary (µ) = $ 1.5 millionThe standard deviation (σ) =…

Q: ne Energizer Company claims that the life of oproximately normally distributed with a mean lengt hen…

A: (a) As the population standard deviation is known, it can be said that the distribution follows a…

Q: Given that we have a normal distribution with mean 73 and standard deviation of 13 for an English…

A:

Q: The volumes of soda in quart soda bottles are normally distributed with a mean of 32.3 oz and a…

A: It is given that the mean is 32.3 and standard deviation is 1.2.

Q: The time taken to download a particular app has been found to be normally distributed, with an…

A: Probability takes value ranges from 0 to 1. It can't take any negative values or values greater than…

Q: A banks loan officer rates application for credit. Their ratings are normally distributed with a…

A: Mean = 200 Standard deviation = 50 Sample size, n = 40

Q: The amount of soda in a randomly selected bottle varies according to a normal distribution with mean…

A: Let x be the amount of soda in a randomly selected bottle varies which follows normal distribution…

Q: The sample mean and sample standard deviation of all San Francisco student scores on the most recent…

A:

Q: The mean length of a human pregnancy is 269 days, with a standard deviation of 10 days. Use the…

A: According to empirical rule.

Q: For a certain normal distribution, the first moment about 10 is 40 and the fourth moment about 50 is…

A:

Q: A set of scores in Statistics examination is approximately normally distributed with a mean of 74…

A: Given: The value of mean is, μ=74. The value of standard deviation is, σ=7.9. The objective is to…

Q: The average heart rate for adults is 72 bpm with a standard deviation of 6bpm. The distribution of…

A: From the provided information,

Q: A company sells sunscreen in 500 milliliter (ml) tubes. In fact, the amount of lotion in a tube…

A: (a)

Q: The volume of cracker boxes are normally distributed, with a mean of 7 oz and a standard deviation…

A: Obtain the standard z-score for  equals 6.5. The standard z-score for equals 6.5 is obtained below:…

Q: A soft drink machine outputs a mean of 2525 ounces per cup. The machine's output is normally…

A: Given that, A soft drink machine outputs a mean of 25 ounces per cup. The machine's output is…

Q: The amount of cereal in a carton is listed as 18 ounces. The cartons are filled by a machine, and…

A:

Q: A normal distribution has a Mean of 25 and a S.D. of 10. Find the probability that the deviation…

A:

Q: Most graduate schools of business require applicants for admission to take the GMAT examination.…

A: Normal distribution is bell shaped distribution and it is centred at the mean of the distribution. A…

Q: Major league baseball salaries averaged $3.26 million with a standard deviation of $1.2 million in…

A: