Essentials of Statistics for the B...
Essentials of Statistics for the B...
For a normal distribution with a mean of μ = 60 and a standard deviation of σ = 10, find the proportion of the population corresponding to each of the following.
- a. Scores greater than 65.
- b. Scores less than 68.
- c. Scores between 50 and 70.
a.
To find: The proportion of the distribution located at the body when
Given info:
The scores follow normal distribution with mean 60 and standard deviation 10 and X score is 65.
Calculation:
Let
Let, p is the probability that score obtained is greater than 89 then,
b.
To Find: The proportion of the distribution located at the body when
c.
To Find: The proportion of the distribution located in between when
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