SOLUTION: please help me im stuck and my time is running out i only have 55 minutes left to answers
1. People were polled on how many books they read the previous year. How many subjec
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-> SOLUTION: please help me im stuck and my time is running out i only have 55 minutes left to answers
1. People were polled on how many books they read the previous year. How many subjec
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Question 747833: please help me im stuck and my time is running out i only have 55 minutes left to answers
1. People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the previous year within one book with 90% confidence? Initial survey indicates that Standard Deviation= 14.7
Therefore a 90% confidence level requires ____ subject?
2. Find the margin of errror for c, s, & n
c=0.50 s=3.9 n-18
Therefore the margin of error is _____
3. the GPA for 12 randomly selected college stdents are shown below
2.1
3.3
2.5
1.9
0.7
4.0
2.4
1.4
3.7
0.2
2.1
3.4
a. Find the sample mean
b. Find the sample standard deviation
c. construct a 95% confidence interval for the population mean u.
A 95% confidence interval for the population mean is ___,____.
(