A study found that the mean amount of time cars spent in drive-throughs of a certain fast-food restaurant was 145.1 seconds. Assuming drive-through times are normally distributed with a standan deviation of 29 seconds, complete parts (a) through (d) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). CID (a) What is the probability that a randomly selected car will get through the restaurant's drive-through in less than 106 seconds? The probability that a randomly selected car will get through the restaurant's drive-through in less than 106 seconds is (Round to four decimal places as needed.)

Q: High school students across the nation compete in a financial capability challenge each year by…

A: Top 12 percent are recognized publicly for their achievement by the Department of Treasury.

Q: 1115 865 1015 885 1594 1000 1416 1501 1310 2130 845 1223 2023 1820 1560 1238 1540 1421 1674 375 1315…

A: Normal probability Plot:

Q: According to a study, the proportion of people who are satisfied with the way things are going in…

A:

Q: A significant number of students completed a Statistics exam, and the final marks had a mean of 70…

A: Answer - A significant number of students completed a Statistics exam, and the final marks had a…

Q: Calculate the value of a normal random variable representing the top 20% of an approximately normal…

A: Let X be the random variable from normal distribution with mean (μ) = 100 and standard deviation (σ)…

Q: According to a study conducted by an​ organization, the proportion of Americans who were afraid to…

A: The observed proportion of afraid Americans is p=121/1100=0.11 To test the given claim we would have…

Q: The average income in the city of Red Deer is $85,000 with a standard deviation of $20,000.  A…

A: It is given that the mean is $85,000 and the standard deviation is $20,000.

Q: randomly selected sorority sisters. Brothers: 11 885 13 4 4 7 5 7 12 4 3 Sisters: 8 2 3 6 2 4 6 6…

A: Given : For Brothers given data : 11,8,8,5,13,4,4,7,5,7,12,4,3 from the…

Q: The mean rate for cable t.v.from a sample of 80 households was $29 per month with a standard…

A:

Q: top 19 percent are

A: Given that  High school students across the nation complete in a financial capability challenge each…

Q: Find the M.L.E for the population mean in poission distribution and also find variance.....

A:

Q: The daily high temperature for the month of August in Chicago is normally distributed with a mean of…

A: Let X be the high temperature for the month of August in Chicago is normally distributed with a mean…

Q: private consumption as a share of GDP is a random quantity that follows a roughly normal…

A: Given information Normal Distribution N(0.71,0.03) Mean (µ) = 0.71 Standard deviation (σ) = 0.03 X…

Q: The data shown below represent the age (in weeks) at which babies first crawl, based on a survey of…

A: The data shown to the right represent the age (in weeks) at which babies first crawl.  First order…

Q: According to government data, the probability that a woman between the ages of 25 and 29 was never…

A:

Q: A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean…

A:

Q: According to the data, the middle 60% of women will be between 62 and 66 inches tall. Explain how we…

A: The conclusion can be made by calculating the middle 0.6 probability that a selected women’s height.…

Q: Assume that the hourly cost to operate a commercial airplane follows the normal distribution with a…

A: Consider X be a random variable which follows normal distribution indicates the operating cost of a…

Q: The average age of our class is 22.3 years.  The standard deviation is 4.7 years.  If the variable…

A: Let X: Age of student. X~N(μ=22.2, σ=4.7)

Q: For a normal distribution, the mode represents the second quartile. True/False

A: Given that  We want to tell the a normal distribution, the mode represents the second quartile

Q: Costs for standard veterinary services at a local animal hospital follow a Normal distribution with…

A: given data normal distributionμ = 89σ = 24P(53<x<125) =?

Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 95% of…

A: GivenMean(μ)=600standard deviation(σ)=20

Q: In a bell-shaped distribution, 95 % of the data falls within 1 standard deviation of the mean.

A: Given that In a bell-shaped distribution, 95 % of the data falls within 1 standard deviation of the…

Q: You need to call a plumber to fix a leak. Assume that the prices they quote are normally distributed…

A: Given, X~N150,202 μ=150σ=20n=100

Q: The number of bacterial colonies on a petri dish can have an average of 2.5 per cm2 Define the…

A: Given: The number of bacterial colonies on a petri dish can have an average of 2.5 per cm.

Q: Suppose that the breaking strength of a rope (in pounds) is normally distributed, with a mean of 100…

A:

Q: A set of final examination grades in an introductory statistics course is normally​ distributed,…

A:

Q: If 64 applications are randomly selected, what is the probability that the mean credit rating of…

A: Let M denote the mean credit ratimg of sample of size n = 64. Then M follows N(mean = 200, SD =…

Q: The annual per capita consumption of ice cream (in pounds) in the United States can be approximated…

A: It is given that the mean is 20.7 and the standard deviation is 4.2.

Q: According to the Center for Disease Control and Prevention (CDC), the mean life expectancy in 2015…

A: The 95% confidence interval for the population mean is obtained below: The value of mean is 76.3…

Q: The average sale price (online) for 4-year-old Harley Davidson touring motorcycles is approximately…

A: Soluion-: Given: We find,

Q: The average wage of plumbers is normally distributed with a mean of $20 and a standard deviation of…

A: It is given that the average wage of plumbers is normally distributed with a mean of $20 and a…

Q: The graph of the normal distribution resembles a "bell" curve. True False

A: Given: A graph of the normal distribution resembles a "bell" curve.

Q: The Addiction Severity Index (ASI) measures the impact of addiction on a person’s personal, family,…

A: It is given that the mean is 145 and the standard deviation is 17.5.