Which expression means five divided by the sum of two times b and three?
1 answer:
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Line 2: Distribute
Line 3: Subtract 16 from the right to the left
Line 4: Divide 8 to -32, answer is -4
Line 3: Subtract 16 from the right to the left
Line 4: Divide 8 to -32, answer is -4
Answer:
(1) 0.4207
(2) 0.7799
Step-by-step explanation:
Given,
Mean value,
Standard deviation,
(1) P(X ≥ 17.5) = 1 - P( X ≤ 17.5)
( By using z-score table )
= 0.4207
(2) P(14 ≤ X ≤ 18) = P(X ≤ 18) - P(X ≤ 14)
= 0.9918 - 0.2119
= 0.7799