t one point the average price of regular unieaded gasoine was $3.57 per galon. Assume that the standard deviation price per gaton is s0.00 per galon and une Chetyhevs requality to anewer the fooenga) What percentage of gasoline stations had prices within 2 standard devations of the mean?b) What percentage of gasoline stations had prices within 26 standard deviations of the mean? What are the gasoline prices that are within 25 standard devations of the mean?4)What is the minimum percentage of gasoline stations that had prices between $3.39 and $3.75?(a)Al least of gasoline stations had prices within 2 standard deviations of the mean(Round to two decimal places as needed.)

Consider that a random variable X has expected value μ and standard deviation, σ. Now, according to…

Answered: tone point the average price of regular…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The distribution of number of goals scored per match in the 15 home and 14 away matches so far this season for one team in the English Premier Soccer League is shown below. HOME AWAY 2 4 Goals Scored Per Match Which of the following statements is true? (A) The mean number of goals scored in AWAY matches is less than the mean number of goals scored in HOME matches. (B) The range of goals scored for AWAY matches is greater than the range of goals scored for HOME matches. (C) The shape of the distribution of HOME goals scored is left-skewed. (D) The median number of goals scored for AWAY matches is more than the median number of goals scored for HOME matches. (E) The number of AWAY matches in which the team scored three or more goals is three.
I'm looking for help on the first 3 bullet points please.
This Quiz: 13 pts possibl Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 63 miles per hour, with a standard deviation of 3 miles per hour. Estimate the percent of vehicles whose speeds are between 54 miles per hour and 72 miles per hour. (Assume the data set has a bell-shaped distribution.) Approximately % of vehicles travel between 54 miles per hour and 72 miles per hour. (1,1) More Enter your answer in the answer box.
Mr 8. The results for an IQ quiz taken by 8 students from Ze Class A and Class B are shown below. The fal maximum score for the quiz is 25. we Class A: 4, 6, 6, 7, 8, 10, 11, 12 Class B: 0, 1, 1, 2, 3, 14, 17, 25 (i) Calculate the mean and standard deviation for Class A and Class B. Show your working clearly.
Do the 3b parts of the question only tha
Hi team, Please provide the answer for the 4 parts of the question, thanks in advance. The last senence says : (please pick the correct lines) "(Fail to reject / Reject ) H0 . There is (Sufficient / Not sufficient) evidence to conclude that the mean lead concentration for all such medicines is (Not / Equal to / Greater than / Less than ) 18 μg/g."
PLEASE ANSWER ALL THE PARTS OF THE QUESTION (THIS IS NOT A GRADED ASSIGNMENT) 1. Suppose the distribution of cholesterol levels in a population of men is approximately normally distributed with a mean of 200 mg/dL and a standard deviation of 32 mg/dL. A. What is the standard deviation of the sampling distribution of ˉxˉ for n=25? Write your answer as a decimal value rounded to four decimal places. B. What condition allows us to say that the value in part (A) is approximately true? C. What is the shape of the sampling distribution of ˉxˉ for n=25? D. What condition allows us to answer as we did in part (C)? E. You take a random sample of 25 males from this population and find the average level of the sample to be 188 mg/dL. How unusual is this sample? Show your work (conditions, mechanics, and context)
6
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Find the mean and standard deviation for the individualized instruction s cores. Scores Individualized Instruction 50 - 59 60 - 69 70 - 79 6 80 - 89 11 90 – 99 6. Mean = (Round to the nearest hundredth.) Standard deviation =| (Round to the nearest hundredth.)
can you help me with this question also A, b and c please

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