Answer:
0.92
Step-by-step explanation:
a. What is the probability that at least one of the stocks will rise in price? (Round your answer to 2 decimal places.)
P(A) = 0.42
P(B) = 0.58
P(A|B) = 0.14
Step 1
P(A|B) × P(B) = 0.14 × 0.58
= 0.0812
The probability that at least one of the stocks will rise in price
P(A) + P(B) - 0.0812
0.42 + 0.58 - 0.0812
= 1 - 0.0812
= 0.9188
Approximately to 2 decimal place = 0.92
2.618 cm
Step-by-step explanation:
The formulae for finding the length of an arc subtended by an angle at the center of the circle is;
∅/360 * 2πr
We can begin by finding the circumference of the circle;
π * D
= π * 5 = 15.708
We multiply by the fraction of the angle out of 360 degrees;
⁶⁰/ 360 = ¹/6
¹/6 * 15.708 = 2.618
= 2.618 cm
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Answer:
(22d-22) cm
Step-by-step explanation:
perimeter= 2×(4d-8+7d-3)
= 2× (11d-11)
(22d - 22) cm