A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 224.9-cm and a standard deviation of 0.8-cm. For shipment, 8 steel rods are bundled together. Find P32, which is the average length separating the smallest 32% bundles from the largest 68% bundles. P32 = -cm Enter your answer as a number accurate to 2 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.Show all work.

Q: CNNBC recently reported that the mean annual cost of auto insurance is $1019. Assume the standard…

A: Given that  Mean = 1019 Standard deviation = 238 Sample size = 72

Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

Q: The weights in ounces of newborn infants were recorded by a hospital. The weights were 88, 99, 82,…

A: Given data,   88, 99, 82, 81, 84 and 100   First find the sample mean. Mean:

Q: A researcher measures the amount of food consumed by each dog in her lab. She finds that the mean…

A: It is given that mean amount of food is 12 oz and number of dogs is 16. The sum of squared…

Q: Find the range , the standard deviation, the variance for 45, 75, 84, 58, 81, 65 , 98,63,76

A: Range = Maximum - Minimum = 98 - 45 = 53   The standard deviation can be determined using the…

Q: Anna Grace took the ACT and got a score of 31 on the math portion of the exam.  The scores are…

A: Proportion of students Anna Grace scored lower than is 0.0047 (0.47%).

Q: The mean height of 24 male workers in a factory is 62 inches and the mean of 36 female workers in…

A: Answer: From the given data, Number male workers = 24 = n1 Number of female workers = 36 = n2 Mean…

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: The population Mean is 125 with a st dev of 22.However , the population distribtuon is skewed to the…

A:

Q: Find the sample standard deviation. The top five scores on last semesters midterms were 90 97 100 90…

A: The question is about measures Given : Data - 90, 97, 100, 90, 93   To find : Sample std. deviation

Q: The temperature is recorded at 80 airports in the region. The average temperature is 65 degrees…

A: Solution

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Let X represents the lengths of the steel rods Mean (X)=98.3 Standard deviation (X)=2.4 Therefore,…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A:

Q: Use the sample mean(78.5)and sample standard deviation (12.3671)in your calculations below. Use…

A: Given that:

Q: Steven ran the 100 meter dash in 13 seconds.  What is his T-score if the class mean was 14 seconds…

A: t statistic

Q: The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard…

A:

Q: The data are daily high temperatures in a town for one week. Find the mean, median, range, sample…

A: From the provided information, The data values are as follow: 59, 50, 65, 68, 72, 80, 82 Sample size…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: mean=145.2cm S.D=2.2cm

Q: The value of the stanard error of the mean for the scores :  1,2,3,4,5 ?

A: Solution: Let X be the random variable. The given data is 1, 2, 3, 4 and 5.

Q: A candy manufacturer has replaced 5.17% of their chocolate bars with a new mystery flavor. Find the…

A: Given: Sample size (n) = 424 p(chocolate bars with a new mystery flavor) = 5.17% = 0.0517

Q: Sarah​'sscore on the Stats midterm was 81 points. The class average was 76 and the standard…

A: Given that  Mean = 76 SD = 5 And the Sarah's score is X = 81

Q: Three cars are driving on a racetrack. The mean speed of the three cars is 100 miles per hour.  Car…

A:

Q: Ivan and his family are relocating to Los Angeles and have found a great area in which to live. The…

A:

Q: A large chemistry course took their final exam. The mean was 75 with a standard deviation of 8. What…

A: Given Information:  Mean (u) = 75  Standard Deviation (s) = 8  To find: Exam scores that separates…

Q: approximately the same. A recruiting office randomly surveys 50 entry level statisticians and 50…

A: Given Information: Number of statisticians,n1=50 Mean salary of statistician, x1¯=41100 Standard…

Q: Consider the data:  10, 7, 9, 13, 11, 13, 14.  (Show your work.) a)Determine the mean.…

A:

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A:

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Normal distribution

Q: he lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation…

A:

Q: A line for tickets to a broadway show had a mean waiting time of 20 minutes with a statistic…

A: Given, Mean = μ = 20Standard deviation = σ = 4       To find, P (X > 28) = ?

Q: Three cars are driving on a racetrack. The mean speed of the three cars is 100 miles per hour. Car X…

A: Ans:

Q: uan and his family are relocating to Los Angeles. They purchased a home they really like, which cost…

A: Solution: Given information: μ= $735000  Population mean σ=$17050  Population standard deviation.

Q: What percentage of the widget Weights lie between 55 and 79 ounces when the mean is 61 and the…

A: We have to  given probability...

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Given that there are 24 families in the sample.  Mean=31 Median=27.2 7th percentile= 16 hours

Q: Determine the class average if the standard deviation was 8% and Henry’s mark of 85% is equivalent…

A: Given that,  The standard deviation =8%, Marks of Henry's =85%, and z-score =1.30.

Q: The weight of football players is normally distributed with a mean of 200 pounds and a standard…

A: Here we have given the, weight of football players is normally distributed with a mean of 200 pounds…

Q: From the states data set, get the descriptive statistics for the violent crime rate. For this…

A: given data

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.