She is fine simple future
2 answers:
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Answer:
The probability of cured people in who took the remedy is 8/9.
Step-by-step explanation:
Success rate of the cold remedy = 88%
The number of people who took the remedy = 45
Now, 88% of 45 =
and 39.6 ≈ 40
So, out of 45 people, the remedy worked on total 40 people.
Now, let E: Event of people being cured by cold remedy
Favorable outcomes = 40
or, =
Hence, the probability of cured people in who took the remedy is 8/9.
For any continuous probability distribution, the total area under the curve indicating the probability density function must be 1.
is saying that the area to the left of 
is 0.75. This area is also that of a rectangle.
The height of this rectangle is 0.25, and
, which means the width is 3. Since 4 - 1 = 3, it must be that 
.
The height of this rectangle is 0.25, and