8. What is the area between z - - 1.23 and z - 2? A. 0.0865 B. 0.4772 C. 0.8679 D. 0.8779 9. Find the area of the shaded region of the given figure. A. 0.0865 B. 0.3907 C. 0.4772 D. 0.8413 10. The area under a normal curve may also be expressed in terms of EXCEPT A. probability B. profit C. proportion D. percentage

Q: In elementary statistics, how do you calculate class width? I don't understand it.

A: According to the given information in this question We need to find that how we calculate class…

Q: Find the mean, median, mode, and range of 70, 68, 70, 72, 68,66

A:

Q: ,12,14,20,22,22), as,a8,33, 316,38|29,39,42,43, 48. 51,52, 59, 60, 79

A: To find Q1, median, Q2, IQR

Q: The scores on a mathematics quiz out of 100 are shown. {63,71,40,99,52,94,83,67,94,89,14,76,68}.By…

A: Mean=Sum of all observationsNumber of observations=91013=70

Q: The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the…

A: The cumulative frequencies are obtained in the below table:

Q: A hospital emergency room accepts an average of about 47 bone fracture patients per week. Let the…

A: Given,The average no.of bone fracture patients per week is 47 .

Q: Whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing…

A: The information provided in the question are as follows :- Number of red marbles = 3 Number of green…

Q: find out the mode, median and mean  74,78,45,7,9,65,7,2,35,68,45,78,98,99

A:

Q: A poll showed that 56.1% of Americans say they believe that some psychics can help solve murder…

A: P(not A) = 1 - P(A)  When we are talking about % in probability  Than take 100% as total  So ,…

Q: I think you are wrong on the median for Rural. I get 8.1. Can you please check other answers as…

A: For Urban, the data in ascending order is11, 11, 12, 13, 16, 18, 18, 21, 22, 24, 29, 49, 94,, 107,…

Q: Find the median 12 ,19,65,58, 9,12

A: It is a single value within the range of data which represents a group of individuals values in a…

Q: At Roxbury Community College, 7 out of every 10 students take Introduction to Statistics. If there…

A: Given that, At some college 7 out of every 10 students take introduction to statistics. Formula:…

Q: kindly write legibly thank you! Enumerate and explain each briefly at least FOUR (4) Examples of…

A: We have to explain  Examples of Application of Statistics in Enginnering problem :

Q: A poll showed that 46.9% of Americans say they believe that some psychics can help solve murder…

A:

Q: What is the median? 2 5 6

A: Median: For odd number data sets, the median is n+12th data value.

Q: Akiko surveyed several friends, asking them how many siblings they had. Use this data to find the…

A:

Q: find find 5th deciles of the data  15,45,78,56,23,28,15,46,75,89,99,68,36,28,73

A:

Q: The lowest mark scored for a certain examination in a statistics class is 11. If the midrange of the…

A: Given that Minimum = 11 Midrange = 29

Q: If the mean of five values is 8.6 and four of the values are 8, 6, 10, and 7, find the fifth value.…

A: Solution

Q: A telecommunications company conducted a survey about cell phone companies. Of 1800 randomly and…

A: given  x = 1275 preferred AT&T to Sprint n =Of 1800 randomly and independently selected people…

Q: The mean of 200 items was 50. Later on it was found that two items were wrongly taken as 92 and 8…

A:

Q: Kennedy earned scores of 92, 95, 73, 78, 94, 84, 100, 92, 85, and 75 on her reading tests. What is…

A: Answer - Given score   92, 95, 73, 78, 94, 84, 100, 92, 85, and 75                Find the mean = ?

Q: The probability of a can of paint containing contaminațion is 4.23%. The probability of a mixing…

A: We have given that  Probability of containing contamination is A= 4.23% The probability of a mixing…

Q: Explain the sample mean of the difference scores varies.

A:

Q: 10- 3 4 으9876543210

A:

Q: At Roxbury Community College, 7 out of every 10 students take introduction to Statistics. If there…

A: given data  N = 2500 students total in college  7 out of every 10 students take introduction to…

Q: What is the median of the following numbers? 9, 10, 6, 5, 6    I need typed answer with…

A: given data, data scores are 9,10,6,5,6 we have to find out the median for the given data sample size…

Q: Last week a gumball machine dispensed 10 white gumballs and 16 other gumballs. Considering this…

A: Introduction: If X ~ Binomial (n, p), then the probability mass function of X is: Here, n is…

Q: Describe the sample space that you would use to calculate the probability of the months in a year.

A:

Q: An electronics company wants to gauge public opinion on its products. They send out a business reply…

A: An electronic company wants to gauge public opinion on its product. The company wants the public…

Q: Find the mean, median and mode

A: To compute mean, median and mode for the given frequency distribution the calculations are given in…

Q: The IQs of six boys are 111, 119, 122, 124, 123 and x. If their mean IQ is 120, what is x?

A: Given IQ's of six boys is111,119,122,124,123,xMean = 120

Q: The mean of the scores 2, 2, 2, 6 is?

A: Given score is2,2,2,6

Q: Explain about the Mean Difference Score.

A:

Q: Professor X  gave a quiz to five students.  He remembered four of the grades 82, 88, 81, 77 and the…

A: Given observation 82, 88, 81, 77 Mean = 80

Q: group of seven sixth-graders measure and record their heights. The heights (in inches) are shown…

A: given data : 57,54,59,57,61,58,60

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.