Tahmid Knox
Answered
2020-12-06
A population of values has a normal distribution with
You intend to draw a random sample of size
Find the probability that a single randomly selected value is less than 11.5.
Write your answers as numbers accurate to 4 decimal places.
Answer & Explanation
Szeteib
Expert
2020-12-07Added 102 answers
Step 1
From the provided information,
Mean
Standard deviation
Let X be a random variable which represents the score.
Sample size
Step 2
The required probability that a single randomly selected value is less than 11.5
can be obtained as:
Thus, the required probability is 0.4602.
Jeffrey Jordon
Expert
2021-11-17Added 2575 answers
Answer is given below (on video)
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