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
Answer:
Step-by-step explanation:
Given that,
Base = 42
Perpendicular height = 31
We need to find the value of 
. It can be calculated using trigonometry as follows :
Put all the values,
So, the value of .
Answer:
021110321....1.12...1.1.631.6301
Step-by-step explanation:
Answer:11.7
Step-by-step explanation:
