5 C CO he Question 30 = A population of values has a normal distribution with μ = 10.4 and o random sample of size n = 2

Business, Finance, Economics, Accounting, Operations Management, Computer Science, Electrical Engineering, Mechanical Engineering, Civil Engineering, Chemical Engineering, Algebra, Precalculus, Statistics and Probabilty, Advanced Math, Physics, Chemistry, Biology, Nursing, Psychology, Certifications, Tests, Prep, and more.
Post Reply
answerhappygod
Site Admin
Posts: 899603
Joined: Mon Aug 02, 2021 8:13 am

5 C CO he Question 30 = A population of values has a normal distribution with μ = 10.4 and o random sample of size n = 2

Post by answerhappygod »

 1
1 (208.54 KiB) Viewed 30 times
urgent required
5 C CO he Question 30 = A population of values has a normal distribution with μ = 10.4 and o random sample of size n = 20. Find the probability that a single randomly selected value is greater than 28.1. P(X> 28.1) = 0/1 pt 398 Details Find the probability that a sample of size n = 20 is randomly selected with a mean greater than 28.1. P(M> 28.1) = Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted. Submit Question Jump to Answer Question 31 0/1 pt 398 Details A manufacturer knows that their items have a normally distributed length, with a mean of 13.5 inches, and standard deviation of 2.6 inches. 88.1. You intend to draw a Submit Question Jump to Answer If 10 items are chosen at random, what is the probability that their mean length is less than 11.2 inches? Question 32 0.25/1 p 398 Details The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days and a standard deviation of 16 days. In what range would you expect to find the middle 50% of most pregnancies? Between and Submit Question If you were to draw samples of size 32 from this population, in what range would you expect to find the middle 50% of most averages for the lengths of pregnancies in the sample? Between and Enter your answers as numbers. Your answers should be accurate to 1 decimal places.
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Post Reply