subject
Mathematics, 09.07.2019 05:10 twinchristiansp4xhd2

Question 4.36 stats final scores. each year about 1500 students take the introductory statistics course at a large university. this year scores on the final exam are distributed with a median of 74 points, a mean of 70 points, and a standard deviation of 10 points. there are no students who scored above 100 (the maximum score attainable on the final) but a few students scored below 20 points. (a) is the distribution of scores on this final exam symmetric, right skewed, or left skewed? (b) would you expect most students to have scored above or below 70 points? (c) can we calculate the probability that a randomly chosen student scored above 75 using the normal distribution?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:10
On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius
Answers: 2
question
Mathematics, 21.06.2019 19:00
What is the frequency of the sinusoidal graph?
Answers: 2
question
Mathematics, 21.06.2019 20:00
Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?
Answers: 3
question
Mathematics, 21.06.2019 21:00
Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?
Answers: 3
You know the right answer?
Question 4.36 stats final scores. each year about 1500 students take the introductory statistics cou...
Questions
question
Mathematics, 27.05.2020 00:58
question
English, 27.05.2020 00:58
question
English, 27.05.2020 00:58
question
Biology, 27.05.2020 00:58
question
English, 27.05.2020 00:58
Questions on the website: 13722361