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Cach day is approximately normal with man 2900 standard de a) What percent of these men...
1. Assume that the weights of a particular group of men follow approximately a normal distribution...
1. Assume that the weights of a particular group of men follow approximately a normal distribution with a mean of 168.7 pounds and a standard deviation of 13.5 pounds. Use built-in functions of your calculator (write down what you entered in one line) or Table A.2. to answer the following questions. No credit if you use the Rule covered in Chapter 7. Show your work to receive credit. Clearly state the answer. a) What percent weigh between 160 and 190...
(1 point) The distribution of heights of adult men in the U.S. is approximately normal with mean 69 inches and standard deviation 2.5 inches Use what you know about a normal distribution and the...
(1 point) The distribution of heights of adult men in the U.S. is approximately normal with mean 69 inches and standard deviation 2.5 inches Use what you know about a normal distribution and the 68-95-99.7 rule to answer the following NOTE: If your answer is a percent, such as 25 percent, enter: "25 PERCENT" (without the quotes). If your answer is in inches, such as 10 inches, enter: "10 INCHES" (without the quotes and with a space between the number...
(1 point) The distribution of heights of adult men in the U.S. is approximately normal with...
(1 point) The distribution of heights of adult men in the U.S. is approximately normal with mean 69 inches and standard deviation 2.5 inches. Use what you know about a normal distribution and the 68-95-99.7 rule to answer the following. NOTE: If your answer is a percent, such as 25 percent, enter: "25 PERCENT" (without the quotes). If your answer is in inches, such as 10 inches, enter 10 INCHES" (without the quotes and with a space between the number...
1. Use Table A to find the proportion of observations from a standard Normal distribution that...
1. Use Table A to find the proportion of observations from a standard Normal distribution that satisfies each of the following statements. In each case, sketch a standard Normal curve and shade the area under the curve that is the answer to each question. a. z<-1.83 b.z > 2.18 c. Z>-0.51 d. z <0.33 e. 1.42<z <2.68 f.-2 <2<1.53 X is a normally distributed variable with mean u = 30 and standard deviation o = 4. Find the following: a....
fee? 5) Amon g coffee drinkers, men drink a mean of 3.4 cups per day with...
fee? 5) Amon g coffee drinkers, men drink a mean of 3.4 cups per day with a standard deviation of 0.8 cup. Assum distribution. e the number of cups per day follows a normal a. What proportion drinks 2 cups per day or more? b. What proportion drinks no more than 4 cups per day?
The average American man consumes 9.5 grams of sodium each day. Suppose that the sodium consumption...
The average American man consumes 9.5 grams of sodium each day. Suppose that the sodium consumption of American men is normally distributed with a standard deviation of 0.9 grams. Suppose an American man is randomly chosen. Let X = the amount of sodium consumed. Round all numeric answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N(,) b. Find the probability that this American man consumes between 10.4 and 11.2 grams of sodium...
The blood pressure for men aged 18 to 29 is modeled with a normal density curve....
The blood pressure for men aged 18 to 29 is modeled with a normal density curve. The distribution has a mean of ? = 120 and a standard deviation of ? = 10. The following is the random variable distribution with the normal density curve. Use this to answer the following questions. SHOW WORK! a. (2 point) If a man has a blood pressure of 105 how many standard deviations away from the mean is his blood pressure? b. (2...
The heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation...
The heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation 3 inches. What is the probability that the height of an 18-year-old man selected at random is between 66 inches and 67 inches? a. 0.8807 b. 0.3807 c. 0.1193 d. 0.4283 e. 0.1333
The percent of fat calories that a person consumes each day is normally distributed with a...
The percent of fat calories that a person consumes each day is normally distributed with a mean of 35 and a standard deviation of 10. Suppose that 25 individuals are randomly chosen. Let X = average percent of fat calories. (a) For the group of 25, find the probability that the average percent of fat calories consumed is more than thirty-seven. (Round your answer to four decimal places) b) Find the first quartile for the average percent of fat calories....
The average American man consumes 10 grams of sodium each day. Suppose that the sodium consumption...
The average American man consumes 10 grams of sodium each day. Suppose that the sodium consumption of American men is normally distributed with a standard deviation of 0.9 grams. Suppose an American man is randomly chosen. Let X = the amount of sodium consumed. Round all numeric answers to 4 decimal places where possible. a. What is the distribution of X? X~ N( 10 ,0.9 ) b. Find the probability that this American man consumes between 9.8 and 10.7 grams...
1. Assume that the weights of a particular group of men follow approximately a normal distribution with a mean of 168.7 pounds and a standard deviation of 13.5 pounds. Use built-in functions of your calculator (write down what you entered in one line) or Table A.2. to answer the following questions. No credit if you use the Rule covered in Chapter 7. Show your work to receive credit. Clearly state the answer. a) What percent weigh between 160 and 190...
(1 point) The distribution of heights of adult men in the U.S. is approximately normal with mean 69 inches and standard deviation 2.5 inches Use what you know about a normal distribution and the 68-95-99.7 rule to answer the following NOTE: If your answer is a percent, such as 25 percent, enter: "25 PERCENT" (without the quotes). If your answer is in inches, such as 10 inches, enter: "10 INCHES" (without the quotes and with a space between the number...
(1 point) The distribution of heights of adult men in the U.S. is approximately normal with mean 69 inches and standard deviation 2.5 inches. Use what you know about a normal distribution and the 68-95-99.7 rule to answer the following. NOTE: If your answer is a percent, such as 25 percent, enter: "25 PERCENT" (without the quotes). If your answer is in inches, such as 10 inches, enter 10 INCHES" (without the quotes and with a space between the number...
1. Use Table A to find the proportion of observations from a standard Normal distribution that satisfies each of the following statements. In each case, sketch a standard Normal curve and shade the area under the curve that is the answer to each question. a. z<-1.83 b.z > 2.18 c. Z>-0.51 d. z <0.33 e. 1.42<z <2.68 f.-2 <2<1.53 X is a normally distributed variable with mean u = 30 and standard deviation o = 4. Find the following: a....
fee? 5) Amon g coffee drinkers, men drink a mean of 3.4 cups per day with a standard deviation of 0.8 cup. Assum distribution. e the number of cups per day follows a normal a. What proportion drinks 2 cups per day or more? b. What proportion drinks no more than 4 cups per day?
The average American man consumes 10 grams of sodium each day. Suppose that the sodium consumption of American men is normally distributed with a standard deviation of 0.9 grams. Suppose an American man is randomly chosen. Let X = the amount of sodium consumed. Round all numeric answers to 4 decimal places where possible. a. What is the distribution of X? X~ N( 10 ,0.9 ) b. Find the probability that this American man consumes between 9.8 and 10.7 grams...
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