Answer:
y
=
4
5
x
−
15
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
We can use the formula [ y2-y1/x2-x1 ] to solve.
7-1/2-0
6/2
3
Best of Luck!
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Answer: √0.16
Step-by-step explanation:
√0.16 = 0.4
Answer:
- P(x < 84) = 0.3085 or approximately 31%
============
<em>Hello to you from Brainly team!</em>
<h3>Given</h3>
- Mean grade μ = 86,
- Standard deviation σ = 4,
- Grade limit x = 84.
<h3>To find </h3>
- Probability of that a randomly selected grade is less than 84 or P(x < 84).
<h3>Solution</h3>
Find z-score using relevant equation:
Substitute values and calculate:
Using the z-score table find the corresponding P- value.
- P(x < 84) = 0.30854 or approximately 31%
