Answer:
F
Step-by-step explanation:
Hopefully this helps.
Using z-scores, it is found that the value of z is z = 1.96.
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Normal Probability Distribution
Problems of normal distributions can be solved using the z-score formula, which for a measure X, in a distribution with mean
and standard deviation
, is given by:
- It measures how many standard deviations the measure is from the mean.
- Each z-score has an associated p-value, which is the percentile.
- The normal distribution is symmetric, which means that the middle 95% is between the <u>2.5th percentile and the 97.5th percentile</u>.
- The 2.5th percentile is Z with a p-value of 0.025, thus Z = -1.96.
- The 97.5th percentile is Z with a p-value of 0.975, thus Z = 1.96.
- Thus, the value of Z is 1.96.
A similar problem is given at brainly.com/question/16965597
Answer:a b d
Step-by-step explanation:
Answer:
4.8
Step-by-step explanation:
(7, 7.6) (7, 2.8)
√(x2 - x1)² + (y2 - y1)²
√(7 - 7)² + (2.8 - 7.6)²
√(0)² + (-4.8)²
√(23.04)
= 4.8