Answer:
a) The estimated standard deviation of the sampling distribution of the proportion is 0.023
b) the estimated standard deviation have been if he had surveyed only 100 customers is 0.046
Step-by-step explanation:
given information:
the number of sample, n = 400
sample proportion, p = 70% = 0.7
a) standard deviation of a sample proportion is
σ = 
= 
= 0.023
b) if n = 100, so
σ =
= 
= 0.046
Answer:
7,849,000
Step-by-step explanation:
This is compact-short form, an effort to avoid writing all the zeros that come with the millions and billions long form numbers.
7.849M is the same as
7,849,000
Answer:
Use reverse operations to find the original number.
15/2
7.5
The number that was originally thought of was 7.5.
:)
Answer:
Need more info
Step-by-step explanation:
7•2=14
3.14•14=
Answer: 43.96 yds
(I hope this help :) sorry if I’m incorrect)
