The average height of an adult male is 64.8" with a standard deviation of 1.58". Calculate an interval that is symmetric around the mean such that it contains approximately 95% of heights. Assume that height has a normal distribution. 1) (63.22, 66.38) 2) (66.38, 63.22) 3) (64.8, 1.58) 4) (67.96, 61.64) 5) (61.64, 67.96)

Q: Alex’s times for running a mile are Normally distributed with a mean time of 5.28 minutes and a…

A: Let n1 be the sample size of alex  n2 be the sample size of chris Given  n1=10, n2=15 , standard…

Q: The mean number of customers arriving at a restaurant during a 15-minute period is 13. Find the…

A:

Q: Assume that a normal distribution of data has a mean of 16 and a standard deviation of 3. Use the…

A: It is provided that the data follows the normal distribution with mean , and standard deviation is…

Q: The heights of male students are normally distributed with a mean of 170 cm and a standard deviation…

A: According to Empirical Rule : 68% of data falls within the first standard deviation (µ ± σ) = (170 ±…

Q: Suppose that the mean cranial capacity for men is 1040 cc (cubic centimeters) and that the standard…

A:

Q: Male and female populations of tortoises under 80 years old are represented by age in the table…

A: Here the given table is : Age males females…

Q: A random sample of 411 high school students was selected in order to compare the heights, in…

A: Hi there! Thanks for posting the question. Since there are multiple subparts we will solve first…

Q: udnury's bowling ball factory in llinois , in pounds, of 9 of the bowling balls produced that day…

A: See the handwritten solution

Q: tribution of lifetimes of fluorescent lightbulbs. Calculate the shaded area under the curve. Express…

A: Given: Population mean time  μ=5.6 Population standard deviation  σ=1.50000 Let X ~ N(5.6, 1.50)

Q: The percent of fat calories that a person consumes each day is normally distributed with a mean of…

A: The mean percent of fat calories that a person consumes each day μ= 35 Standard deviation σ = 10…

Q: A sample of the number of sick days used by employees at a clinic is as indicated: 0,    0,    1,…

A: Given data 0,0,1,1,2,4

Q: Suppose that a laboratory analyzes biological specimens to determine the concentration of toxins.…

A: Given:

Q: A normal distribution has a mean of 175 and a standard deviation of 38. What percent of observations…

A: Given that A Normal distribution has Mean (μ) = 175 Standard deviation (σ) = 38   We know that Z =…

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A:

Q: Can you find the mean and the standard deviation with this data?

A: Given: Data on Index finger length for female. Step-by-step procedure to obtain the mean and the…

Q: Assume the average number of fatal crashes caused by sleep-deprived drivers each year is 2,000.…

A: It is a problem of normal distribution in which we have to find out the number of fatal cases in a…

Q: Assume that the amount of time a person experiences cold virus symptoms are normally distributed…

A: Given data Mean = 7.5 days  Standard deviation  = 1.5d days To find: What proportion of cold…

Q: Assume that the speed of automobiles on an expressway during rush hour is normally distributed with…

A: The speed of automobiles on an expressway during rush hour is normally distributed with a mean of 64…

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A: We have given that.   X~N( μ , ?^2 )   μ =0.25 , ? =0.05   Z-score =( x - μ )/?

Q: Suppose that the mean and standard deviation of the scores on a statistics exam are 75.3 and 5.34,…

A: Suppose the random variable x defines the scores of a statistics exam.The random variable x follows…

Q: The mean deviation of the data(1 * :2,9,9,3,6,9,4 from the mean is 2.23 3.23 O 2.57 O 3.57 O

A:

Q: 13. Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: Approximate the standard deviation of age for males. I already know that the population mean is…

A: Given data table is,Agemalesfemales0 - 910510 - 1910720 - 29171630 - 39181640 - 49212250 - 59232560…

Q: for a population with a standard deviation of 10 and mean of 100, draw a bell shaped curve, marking…

A: We have to draw bell shaped curved and marking location of the mean and standard deviation..

Q: The weight of domestic cats fits a normal distribution with a mean weight of 8.9 lbs and a standard…

A: It is given that the mean is 8.9 and the standard deviation is 1.1.

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days…

A:

Q: The scores on a test are normally distributed with a mean of 100 and a standard deviation of 20.…

A: Step 1:To find the scores corresponding to specific standard deviations from the mean in a normally…

Q: A set of data item is normally distributed with a mean 218 and a standard deviation of 49. Find the…

A:

Q: Suppose that the blood pressure of the human inhabitants of a certain Pacific island is distributed…

A:

Q: Male and female populations of to under 80 years old are represented by age in the table below.…

A: The question is about frequency distribution.Given :

Q: Assume that a nomral distribution has a mean of 22 and a standard deviation of 7. What percentage of…

A:

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days…

A: Solution-: Given: μ=263 days, σ=13 days We want to find what range would you expect to find the…

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

A: Given,mean(μ)=0.25standard deviation(σ)=0.05