Answer: C) 133
Step-by-step explanation:
The formula to find the sample size is given by :-
, where z* = Critical z-value
= Population standard deviation for prior study.
E= Margin of error.
As per given , we have
E= 5
The critical z-value for 90% confidence level is 1.645.
Substitute al;l the value sin the above formula , we get
Hence, the minimum sample size needed is 133.
Thus , the correct answer is : C) 133
Answer:
1. R
2. Match the year with the price. For example, 2006 should have a line directly on 15.
3. A (The first number on each row is the second number multiplied by 4)
4. C
5. A
MAKE SURE TO DOUBLE-CHECK JUST IN CASE!
Answer:
$18.01
Step-by-step explanation:
Convert from pesos to US dollars
6429/13.05 = $492.64
Convert from meters to yards
1.904* 25= 27.35
Divide to find the cost of one yard of fabric
492.64/27.35 = $18.01
Answer:
2y+6
Step-by-step explanation:
2 negatives equal a positive
