Answer:
89,280
Step-by-step explanation:
Margin error of a sample mean is given by
where σ is the standard deviation,
is the critical value and n is the sample mean.
So beside the given standard deviation, we're supposed to know the sample size and critical value to answer this question.
Answer:
Jeffrey will be able to sing 18 pieces over 9 weeks
Step-by-step explanation:
5 9
10 x
5x = 90
x = 18
Answer:
y=32
Step-by-step explanation:
x*2=y
16*2=32
Answer:
= -
Step-by-step explanation:
The n th term of a geometric sequence is
= a
where a is the first term and r the common ratio
here a = 14 and r = = - , hence
= 14 × = 14 × - = -