Answer:
20% of 90 is 18.
Step-by-step explanation:
18 x 5 = 90
Multiply by 5 because 5 x 20% = 100%
Hope this helps! :)
Answer:
<u>d. divide the population into groups; use simple random sampling to identify a proportionate number of individuals from each group</u>
<u>Step-by-step explanation:</u>
Remember, a cluster represents a selection out of a group belonging to a larger population. Thus, cluster sampling includes the steps;
- <u> divide the population into groups;</u>
- <u>use simple random sampling to identify a proportionate number of individuals from each group.</u>
For example, A bus company wants to survey all its customers for a particular day, using cluster sampling, they will randomly select 10 trips that day and survey some or all the passengers on those trips.
Answer:
Step-by-step explanation:
4y+1=17
Subtract the 1 from the 17, giving you...
4y =16
Divide 16 by 4y, giving you...
Y= 4
I hope this helps you out!
B
Step-by-step explanation:
Twelve plus a number equals nineteen