I've never learned how to do this
hmm
let's experiment with similar thing
wait, I can reverse a known thing
(ab)^n=(a^n)(b^n)
so
(4^7)(9^7)=(4*9)^7=(36)^7
answer is C
are u right the full questions plz check it you mark the slash at end
The rule is it subtracts 280 every time....!!!
HOPE I HELPED!!!!!!!
Answer:
<em>A</em><em>.</em><em> </em>
Step-by-step explanation:
<em>It</em><em> </em><em>has</em><em> </em><em>both</em><em> </em><em>in</em><em> </em><em>it</em><em>,</em><em> </em><em>so</em><em> </em><em>its</em><em> </em><em>correct</em>
Answer:
Step-by-step explanation:
The confidence interval gives an estimate of range of values that could possibly contain the unknown population parameter which could be the population mean or population standard deviation.
Given that the lower end of the confidence interval is 20 minutes and the upper end of the confidence interval is 58 minutes, if the population mean time customers spent on that website is 31 minutes a day, then the correct option is
C. Yes, because the population mean, mu, is included within the confidence interval estimate.