The answer would be 20. PEMDAS would have you do multiplication first which makes you do 3 times 7. 3 times 7 would give you 21 and then you minus 1 which gives you 20
Answer:
CI= [28.67,45.33]
Step-by-step explanation:
-Given the mean is $37 and the standard deviation is $17
#A 95% confidence interval can be calculated as follows:
Hence, the 95% confidence interval is [28.67,45.33]
It seems that you have missed the necessary options for us to answer this question, but anyway, here is the answer. If a radioactive element decays exponentially at a rate of 0.13% each hour, then the statement that is true is this: <span>If there are 1,000 grams of the element, there will be 756.9 grams in two hours. Hope this helps.</span>
Answer:
D. (-7/2, 3/2)
Step-by-step explanation:
x = (-6+(-1))/2 = -7/2
y = (-2+5)/2 = 3/2
Answer:
The mean number of cookies was 33.5
Step-by-step explanation:
Add the values of the terms and divide by the number of terms.
So...
26 + 38 + 45 + 25 = 134
134 ÷ 4 = 33.5