What is the surface area of the square pyramid represented by the net?
1 answer:
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Answer:
The 90% confidence interval for the percentage of people the company contacts who may buy something is between 10.82% and 14%
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of
, we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of .
For this problem, we have that:
90% confidence level
So , z is the value of Z that has a pvalue of
, so
.
The lower limit of this interval is:
The upper limit of this interval is:
The 90% confidence interval for the percentage of people the company contacts who may buy something is between 10.82% and 14%
Answer:
Step-by-step explanation:
The given equation is :
Where
s is displacement
u is the initial velocity
a is acceleration
t is time
If u = 0, the above equation become,
Hence, the value of t is equal to .