Recently, the bowling scores of a certain bowler were normally distributed with mean 202 and standard deviation 19.  ​a) Find the probability that a score is from 185 to 210. ​b) Find the probability that a score is from 165 to 275. ​c) Find the probability that a score is greater than 200. ​d) The best score is 299. Find the percentile that corresponds to this​ score, and explain what that number represents. ​a) The probability that a score is from 185 to 210 is     ​(Round to four decimal places as​ needed.)

Q: tudent obtained the mean of 58 observations as 48. It was later found that one observation was…

A: Given data, n=58 The mean for 58 observations is 48 x=∑xn48=∑x58∑x=2784

Q: A botanist wants to know if two different soils lead to different levels of evaporation in plants.…

A: In this case, Each of the plants is used in both soils, she can use a paired samples t-test to…

Q: Marks 3. 4. 7 Frequency y y+1 4 1 The table gives the frequency distribution of marks obtained by a…

A: Given,iMarks(m1)Frequency(fi)13524y35y+1469574681                   Total = 5 + y + 1 + 9 + 4 + 1=…

Q: udents? The data below shows the results of a survey of 20 college students asking hem how many days…

A: Given Sample size = 20 Sample sum = 812 Sample mean = 40.6

Q: A sample mean has a z= -4.0 on the sampling distribution created from the population of psychology…

A:

Q: Determine the speed corresponding to the 75th percentile.

A:

Q: The data set shows the numbers of hours that employees at a certain shop worked in one week.

A: The mean of the data set is:

Q: The test scores of 10 randomly selected students are listed below. Find the median. 30 35 43 44 47…

A:

Q: Find the number of pieces of data in your set (this is n), the mean, median, mode, range, and…

A: The data is given as, 32, 36, 29, 34, 31, 33, 27, 34

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

A:

Q: The average American gets a haircut every 44 days. Is the average smaller for college students? The…

A: Introduction: Denote μ as the true average number of days that college students get a haircut.

Q: Class 366-386 387 - 407 408 - 428 429 - 449 450 - 470 471 - 491 492 512 513 - 533 Frequency 5 2…

A: Solution-: We have following frequency distribution table: Class  Freq (fi) 366-386 5 387-407…

Q: find the mean if Z-score =14, st.Dev.=2.5, for a score of 8.5

A: Standard normal distribution:The standard normal distribution is a special case of normal…

Q: There were 5 members of a basketball team, who had a mean score of 12 points each per game. One of…

A: Given, There were 5 members of basketball team then mean score is 12 points. One member left team…

Q: The average number of cavities that thirty-year-old Americans have had in their lifetimes is 7.  Do…

A: Given data is 4,8,5,7,7,4,8,5,4,4,6sample size(n)=11

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

A:

Q: 手品的万好 价的2

A: Given : 45 56 61 60 63 55 32 44 60 70 53 65 57 54 42 51 80 56 83 45 67 40 62 47 63 45 60 67…

Q: Today, all boats in the Harbor Tour Fishing Company caught a total of six salmon with weights as…

A: Here 6 salmons weights are 16,23,18,31,14,19 pounds Arrange weight im accending order…

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A:

Q: The mean score of 7 students on a short test is 7 out of 10. If six of the seven students scored 9,…

A: The mean score of 7 students on a short test is 7 out of 10 . If six of the seven students scored…

Q: can be considered as the mid point of the distribution. Select one: a. mode b. none of these C. mean…

A: Median = Middle number of the sorted data.  Mean = Sum of all observation / total number of…

Q: A teacher weighed the backpacks of 4 students. Here are the weights (in kilograms): 5,7,9,11 which…

A:

Q: A veterinarian recorded how many kittens were born in each litter. This data is summarized in the…

A: A histogram is a graphic representation of data that uses bars of various heights. Each bar in a…

Q: Find the median and lower quartile of the number of wins of the Mariners for 6 years.  Years and…

A:

Q: The ten fastest times in a city marathon are below.  Find the mean, median, and mode of this set.…

A: Given Data: Time set: {2 hr 46 min ; 3 hr 7 min ; 3 hr 32 min ; 3 hr 33 min ; 3 hr 46 min ; 3 hr 54…

Q: The highest score in a distribution is 74 and the lowest score is 51. What is the range?

A: We have given thatminimum value = 51maximum value = 74

Q: Suppose 6 students take an exam, and the mean score is 82.5. Five of the student scores are as…

A: Solution-: Given: Mean=82.5 Five of the student scores are: 95, 78, 85, 56, and 96.  We want to find…

Q: 3. Find each value requested for the distribution of scores in the following table. a. n b. ΣΧ c.…

A:

Q: Calculate the mean if -2 standard deviation = 70 and +2 standard deviation = 100. The mean of the…

A:

Q: What percentage of the scores are in the shaded area?

A: It is given that the shaded area in graph.

Q: In a psychology class, 40 students have a mean score of 89.5 on a test. Then 24 more students take…

A: Given,n1=40 , x¯1=89.5n2=24 , x¯2=78.3

Q: distribution tab

A: frequency distribution table  Class boundaries : subtracting 0.5 from lower class limit and adding…

Q: One common system for computing a grade point average​ (GPA) assigns 4 points to an​ A, 3 points to…

A: Given Data and calculation for GPA is shown below

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

A: Given,mean(μ)=312P(X>319)=0.28