The distribution of the amount of money spent by first-time gamblers at a major casino in LasVegas is approximately normal in shape with a mean of $600 and a standard deviation of $120.According to the standard deviation rule, almost 84% of gamblers spent more than what amount of money at thiscasino?

The amount of money spent by firs-time gamblers at a major casino in Las Vegas is Normal with .

Answered: The distribution of the amount of money…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The amount of Jen's monthly phone bill is Normally distributed with a mean of $ 76 and a standard deviation of $ 11.What percentage of her phone bills are less than $ 80?
The average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances that someone is earning more than $20 an hour?
A new phone system was installed last year to help reduce the expense of personal calls that were being made by employees. Before the new system was installed, the amount being spent on personal calls followed a normal distribution with an average of $400 per month and a standard deviation of $50. Find the point in the distribution below which 2.5% of these expenses fell. ROUND to the nearest WHOLE NUMBER.
Skye High School has a total of 500 graduates. The mean SAT score of Skye High School graduates is 947 with a standard deviation of 205. To get into a premier college, a student must score 1000 or more. If 60 students are selected at random, how many graduates can Skye High School expect to get into a premier college?
A recent study found that 69% of all adults over 50 wear sunglasses for driving. In a random sample of 20 adults over 50, what is the mean and standard deviation of those that wear sunglasses?
A study by the National Center for Health Statistics suggested that women between the ages 20 and 29 in the US have a mean BMI of 26.8 with a standard deviation of 7.4. A BMI of 30 or greater is considered as being obese. What proportion of women in this age range are obese?
According to the U.S. Census, the average adult woman is the United States is 65 inches tall and the standard deviation is 3 inches. If Zsike is 67 inches tall, what is her z-score?
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In the past, the value of houses a local realtor has sold is normally distributed with a mean of $259,000 with a standard deviation of $54,000. How much does a house have to sell for so that the house is in the top 10% of highest selling houses for the realtor? (please express your answer in $'s)
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Discribe the scores in a sample that has a standard deviation of zero.
The average age of Amtrak passenger train cars is about 20 years. If the distribution of ages is normal and 10% of the cars are older than 24 years, find the the standard deviation.

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