An ant is moving on a numbered, horizontal line every second. The number ranges from −[infinity] to [infinity] . It moves to the
1 answer:
Answer:
9/32
Step-by-step explanation:
given that an ant is moving on a numbered, horizontal line every second
Probability for moving left = 1/4
and prob for moving right =3/4
As this totals 1, there is no chance that ant will remain in the same posiiton after 1 second.
Either it has to move left or right.
Initial position is 0.
After 3 seconds it is in position 1.
The chances are I second move left, next second, move right and come to 0 and third second move to 1.
Or
I second move right, then left to 0, and third again to right to 1.
There are no other alternatives
Probability for this =
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Question:
Below are 36 sorted ages of an acting award winner. find the percentile corresponding to age 38 using the method presented in the textbook. 18 19 20 20 21 23 25 31 33 34 35 37 38 47 50 51 55 55 58 59 62 62 64 66 69 70 70 70 71 71 72 74 74 75 77 80 percentile of value 38 = ______ (round to the nearest integer as needed.)
Answer:
33 percentile
Step-by-step explanation:
Given the ages:
18, 19, 20, 20, 21, 23, 25, 31, 33, 34, 35, 37, 38, 47, 50, 51, 55, 55, 58, 59, 62, 62, 64, 66, 69, 70, 70, 70, 71, 71, 72, 74, 74, 75, 77, 80.
We are told to find the percentile corresponding to age 38.
To find the percentile corresponding to age 38 simply means to find the percentage of ages that are less than 38.
From the given values, the number of ages less than 38 are 12. Therefore, the percentile corresponding to age 38 would be:
(Ages less than 38/ total number of ages) * 100
33.333 ≈ 33
The percentile corresponding to age 38 = 33 percentile