Answer:
(A) -2
Step-by-step explanation:
If the variance is 5 then the standard deviation is √5.
If Z is the score then Z=(8-16)/√5=-3.58 approx.
Answer:
area is 2 dimensional lika a carpet and a area rug. a parallelogram 4 sided-shape formed by 2 pairs of parrel lines. opposite sides are equal in lenght and opposite are equal in measure. to find the area of a parallegram, multiply the by the base by the height
Explanation:
Pls make me as brainliest and add as my friend i will check it.
Answer:
5
Step-by-step explanation:
5x5=25
or
5xa=25
a=5
Answer:
129
Step-by-step explanation:
Considering the survey to be representative, you can simply multiply the share of students <em>p</em> preferring “Track & Field” with the whole school population at the same time to estimate the number of such students in the whole school.
First we need to find the relative share <em>p</em> of such answers in the study by dividing it by the sum of answers, assuming that the table is complete for that random sample:
<em>p</em> = 4/(8 + 5 + 4) = 4/17
Then for the whole school we get 550 <em>p</em> ≈ 129.4
