The points scored by teams in the first round of the Statistics Games have a mean of 135 points and a standard deviation of 27 points. A random sample of 36 teams is taken. You want to find the probability of selecting sample of 36 teams with a mean of 143 points or more. What is the z-score for a sample mean of 143 points? Round your z-score to 2 decimal places.

The points scored by teams in the first round of the Statistics Games have a mean of 135 points and a standard deviation of 27 points. A random sample of 36 teams is taken. You want to find the probability of selecting sample of 36 teams with a mean of 143 points or more. What is the z-score for a sample mean of 143 points? Round your z-score to 2 decimal places.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A population has a mean of 45 If 6 points are added to each score What is the mean for the new distribution?
Find the sum of squares of the deviation from the mean of the series of act scores listed below are 17, 15, 18, 28, and 12?
from year s of teaching ,a statsitics profeessor knoes that Amy , her student 's test scre will be a randonm variable with mean = 75 and variance = 25. what can be the lowest estimate on probability that Amy will socre between 65 and 85.
If you have a stem and leaf plot with numbers: 57,61,70,72,72,72,74,80,82,82,86,89,94,95,95,99,100,116,116,126 how do you find the varience and the standard deviation?
Mario's weekly poker winnings have a mean of $353 and a standard deviation of $67. Last week he won $185. How many standard deviations from the mean is that?
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
You got the 8 out of 10 in this set of scores 10, 8, 10, 6, 7, 3, 5 You also got an 8 on thelast quiz. The last quiz had an average score of 7.5 and had a standard deviation of 6.Which quiz did you perform better, and why?
Thirty percent of people did not visit their doctor's, offices last year. Let x be the number of adults in a random sample of 12 adults who did not visit their doctors’ offices last year. The standard deviation of the probability distribution of x is approximately Could you show the steps and equations used, please?
In Statsville there’s a city-wide speed limit of 30 mph.If you are caught speeding the fine is $100 plus $10 forevery mile per hour you were over the speed limit. Forexample, if you’re ticketed for going 45 mph, your fine is100 + 10145 - 302 = +250. Last month all the driverswho were fined for speeding averaged 42 mph with astandard deviation of 7 mph. What were the mean andstandard deviation of the fines?A) $120 and $70 B) $220 and $7C) $220 and $70 D) $220 and $170E) $420 and $70
n a Mathematics test, the mean is �=89.00 and the standard deviation �=5. What is the z-score for your score �=96
Suppose scores on an examination are normally distributed. If the examination scores have a mean 60% and a standard deviation of 15%, what is the probability that a student who takes the examination will score between 80% and 90%? I need answer ASAP. Thank you!