A)4*16
because 4*3•4*4•4*9
you have to add the exponents
3+4+9=16
keep the number
so 4*16 is the answer
Answer:
Option a) [5.567, 5.633]
Step-by-step explanation:
We are given the following in the question:
Sample mean,
= 5.6 feet
Sample size, n = 27
Alpha, α = 0.10
Sample standard deviation, s = 0 .1 feet
90% Confidence interval:
Putting the values, we get,
Option a) [5.567, 5.633]
Answer:
At least 26 questions to get around an 82% not 25 because that equals 78%
Step-by-step explanation: