A population of values has a normal distribution with ?=152.1 and ?= 6.7. You intend...

90.2K

Verified Solution

Question

Basic Math

image

A population of values has a normal distribution with ?=152.1 and ?= 6.7. You intend to draw a random sample of size n = 25.First calculate z, round it to two (2) decimal places, then use the rounded z-score to determine the required probability accurate to four (4) decimal places.1. Find the probability that a single randomly selected value is less than 155.5.P(x < 155.5) =2. Find the probability that a sample of size n = 25 is randomly selected with a mean less than 155.5.P(x < 155.5) =

Answer & Explanation Solved by verified expert
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students