Answer:
choice 4) 33.5 in³
Step-by-step explanation:
r = 4/2
V = 4/3πr³ = 4/3(3.14)(2³) = 33.5 in²
Answer:
14π or 43.96
Step-by-step explanation:
C = 2πr and we know that r = 7 so C = 14π or 43.96.
The number is then divisible by 3 and 9
A group of students in a seminar are interested in investigating what proportion of freshman students had visited the campus prior to enrolling. They interview a group of n = 25 freshman and find that 14 had made a visit to the campus. Since the sample size is small the confidence interval for p should_________.
a. use t* with degrees of freedom df = 24.
Is first one is 0 and second one is -32/7