Answer:
c.9
the correct answer
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Answer:
d. There is a 98% chance that the true proportion of customers who click on ads on their smartphones is between 0.56 and 0.62.
Step-by-step explanation:
Confidence interval:
x% confidence
Of a sample
Between a and b.
Interpretation: We are x% sure(or there is a x% probability/chance) that the population mean is between a and b.
In this question:
I suppose(due to the options) there was a small typing mistake, and we have a 98% confidence interval between 0.56 and 0.62.
Interpreation: We are 98% sure, or there is a 98% chance, that the true population proportion of customers who click on ads on their smartphones is between 0.56 and 0.62. Option d.
The answer is 1.7 x 10 to the power of 9
hope this helps
5000000+900000+2000+700+30+1
=5900000+2000+700+30+1
=5902000+700+30+1
=5902700+30+1
=5902730+1
=5902731
five million,
nine hundred two thousand, seven hundred thirty-one
(Word form)
X pounds of apples were sold
Y pounds of peaches were sold
{1.75X+2.5Y=337.5
{X+Y=164
{X=164-Y
{1.75*(164-Y)+2.5Y=337.5
0.75Y=337.5-287
Y=67.333
There are 67.333 pounds of peaches were sold.
