Answer:
-3/2
Step-by-step explanation:
this is a answer first u dived then plus
C=7n because
28 divided 4 is 7
7 is the proportional
Answer:
a) sample size is 40
Step-by-step explanation:
(a)
minutes
Margin of error, E is 75 seconds E=75/60= 1.25 minutes.
The level of significance
for 95% level of significance
For 95% confidence interval
from standard deviation table
Sample size required, n

Rounding off, n=40
Sample size =40
Keywords:
95% confidence, sample size, Wall Street Journal
Answer:
2
Step-by-step explanation:
Simplify. Remember to follow PEMDAS and the left-> right rule.
In this case, multiply the whole number (6/1) with the numerator (1)
6 x 1 = 6
Next, simplify by dividing 6 with 3:
6/3 = 2
2 is your answer.
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