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]]>A survey was conducted to measure the height of U.S. men. In the survey, respondents were grouped by age. In the 20-29 age group, the heights were normally distributed, with a mean of 69.6 inches and a standard deviation of 3.0 inches. A study participant is randomly selected.
The lengths of Atlantic croaker fish are normally distributed, with a mean of 10 inches and a standard deviation of 2 inches. An Atlantic croaker fish is randomly selected.
In a recent year, the ACT scores for high school students with a 3.50 to 4.00 grade point average were normally distributed, with a mean of 24.2 and a standard deviation of 4.3. A student with a 3.50 to 4.00 grade point average who took the ACT during this time is randomly selected.
The weights of adult male beagles are normally distributed, with a mean of 25 pounds and a standard deviation of three pounds. A beagle is randomly selected.
A survey was conducted to measure the number of hours per week adults in the United states spend on home computers. In the survey, the number of hours were normally distributed, with a mean of 7 hours and a standard deviation of 1 hour. A survey participant is randomly selected.
The monthly utility bills in a city are normally distributed with a mean of $100 and a standard deviation of $12. A utility bill is randomly selected.
The time per week a student uses a lab computer is normally distributed, with a mean of 6.2 hours and a standard deviation of 0.9 hour. A student is randomly selected.
The time per workout an athlete uses a stairclimber is normally distributed, with a mean of 20 minutes and a standard deviation of 5 minutes. An athlete is randomly selected.
The normal distribution of SAT critical reading scores for a certain year has a mean of 503 and a standard deviation of 113.
The normal distribution of SAT math scores for a certain year has a mean of 518 and a standard deviation of 115.
The normal distribution of U.S. woman's total cholesterol levels in the age group of 20-34 has a mean of 186 milligrams per deciliter and a standard deviation of of 35.8 milligrams per deciliter.
The normal distribution of U.S. woman's total cholesterol levels in the age group of 55-64 has a mean of 219 milligrams per deciliter and a standard deviation of of 41.6 milligrams per deciliter.
The normal distribution for Atlantic croaker fish lengths has a mean of 10 inches and a standard deviation of 2 inches.
The normal distribution of the weight of adult male beagles has a mean of 25 pounds and a standard deviation of 3 pounds.
The normal distribution of home computer use in U.S adults has a mean of 7 hours and a standard deviation of 1 hour.
The normal distribution of monthly utility bills in a city has a mean of $100 and a standard deviation of $12.
The life span of a battery is normally distributed, with a mean of 2000 hours and a standard deviation of 30 hours.
Assume the mean annual consumption of peanuts is normally distributed, with a mean of 5.9 pounds per person and a standard deviation of 1.8 pounds per person.