In ΔPQR, the measure of ∠R=90°, the measure of ∠Q=6°, and PQ = 2.2 feet. Find the length of RP to the nearest tenth of a foot.
1 answer:
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Answer:
a) 0.1587
b) 0.023
c) 0.341
d) 0.818
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 515
Standard Deviation, σ = 100
We are given that the distribution of SAT score is a bell shaped distribution that is a normal distribution.
Formula:
a) P(score greater than 615)
P(x > 615)
Calculation the value from standard normal z table, we have,
b) b) P(score greater than 715)
Calculating the value from the standard normal table we have,
c) P(score between 415 and 515)
d) P(score between 315 and 615)