A normal distribution has a mean of 54
A normal distribution has a mean of µ = 54 and a standard deviation of σ = 6.
a. What is the probability of randomly selecting a score less than X = 51?
b. What is the probability of selecting a sample of
n = 4 scores with a mean less than µ = 51?
c. What is the probability of selecting a sample of
n = 36 scores with a mean less than µ = 51?
Membership TRY NOW
  • Access to 800,000+ Textbook Solutions
  • Ask any question from 24/7 available
    Tutors
  • Live Video Consultation with Tutors
  • 50,000+ Answers by Tutors
OR
Relevant Tutors available to help