Answer: a) 84 and b ) 2084
Step-by-step explanation:
Given : Sample standard deviation : s= $22.82
(Population standard deviation is unknown ) , so we use t-test.
Critical value or the 95% confidence intervals :
Formula to find the sample size :
a) E = 5
i.e. Required sample size : n= 84
b) E = 1
i.e. Required sample size : n= 2084
Malia : y = 8.1x.....this tells me she makes 8.10 per hr worked
Bill : if he earned 144.90 for working 18 hrs.....144.90/18 = 8.05 per hr worked.
so Malia makes 5 cents more per hr worked.
Is that the answer ur looking for ?
Answer:
-2= 1/5x-2 +9
-2= -0.4 +9
Step-by-step explanation:
Number of people wearing red pants
= 200/100 x 15
= 30
Those who wear both red shirts and red pants is 30.
Therefore the percentage is
= 30/500 x 100%
= 6%
Answer:
AAAAAAAAAAAA answer is A
Step-by-step explanation: