A probability distribution of the claim sizes for an auto insurance policy appears in the following table. Claims Probability 1 0.1 2 0.3 3 0.15 4 0.05 5 0.4 Find the percentage of claims within one standard deviation of the mean. Give your answer as a decimal.

Q: The list below shows the ages (in years) of 7 people riding in a van to a math competition.…

A: From the provided information,The data values are as follow:ages 15 12 9 15 14 40 46Sample size (n)…

Q: Weights for a certain species of newt are normally distributed with a mean of 45 grams and standard…

A: Let X be random variable from normal distribution with mean (μ) = 45 and standard deviation (σ) = 4…

Q: The grade point averages​ (GPA) for 12 randomly selected college students are shown on the right.…

A: Given: 2.4 3.1 2.5 1.5 0.6 4 2.5 1.2 3.5 0.2 2.3 3.5

Q: following is a grade distribution for a class of students.    Grade Frequency A 5 B 9 C 9…

A: Given : The following is a grade distribution for a class of students.    Grade Frequency…

Q: The list below shows the ages (in years) of 8 people riding in a van to a math competition.…

A: Obtain the value of mean.   The value of mean is obtained below as follows:   Use EXCEL Procedure…

Q: Use the Empirical Rule to find the 95% range and find the percentage of data points in that range.…

A: Given data is5,6,3,3,4,2,7,8,9,2,5,4,3,11,21,31,22,27,28,18

Q: C. Points per Game Frequency 49.5-59.5 59.5-69.5 69.5-79.5 79.5-89.5 89.5-99.5 14 32 15 23 2

A: Points per GameFrequency49.5-59.51459.5-69.53269.5-79.51579.5-89.52389.5-99.52

Q: The mean and median of a distribution are 14 and 15 respectively. The value of mode is

A:

Q: Density A B Score с

A: For the given curve Indicate which letter is the mean, median, and mode on the distribution below…

Q: A store orders tubes of glue in the proportions shown in the following table. Find the cumulative…

A: Given the data Size (oz) Proportion 2 0.27 6 0.14 8 0.35 12 0.07 16 0.17

Q: A marketing research company records the consumer habits of a sample of 21 families from a certain…

A:

Q: The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation…

A: Given: μ=269 and σ=15. a)PX≥308=PX-μσ≥308-μσ=PZ≥308-26915=PZ≥2.6=1-PZ<2.6=1-0.9953=0.0047…

Q: We discussed the correlation coefficient of two random variables, say X and Y. Suppose X is the head…

A:

Q: Find the mean median and mode

A:

Q: Calculate the 50th percentile of the data shown x 1.9 2.8 5.4 6 6.1 6.4 8.1 8.8 9.1 16 16.3 17.3…

A: Given information- We have given a data set- X – 1.9, 2.8, 5.4, 6, 6.1, 6.4, 8.1, 8.8, 9.1, 16,…

Q: A normal distribution curve has an egg shape when plotted. O True O False

A: Normal Distribution Curve The normal distribution is a symmetrical distribution function on both…

Q: Probability Reviewer Ratings 0.5- 0.4- 0.3- 0.24 0.1 0.021 0.0- 0.085 N2 0.218 0.245 13 Rating 0.431

A: Given that,From the histogram, the probability distribution table on reviewer ratings is given…

Q: The frequency distribution shows the lengths, in inches, of available baseball bats at a batting…

A:

Q: A normal probability plot is given below for a sample of scores on an aptitude test. Use the plot to…

A: P-P plot: P-P plot is a probability-probability plot which is used to visualize the pattern of CDFs…

Q: C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals should have…

A: Given information: GSS 2014 and GSS 2018 respondents were asked their opinion on whether…

Q: graph below shows the graphs of several normal distributions, labeled A, B, and C, on the same axis.…

A: Given the three graphs shows the normal distribution laballed A,B and C on the same axis Find which…

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.