Answer:
.
Step-by-step explanation:
Given : Sample size : n= 64 , the sample is a large sample (n>30), so we can apply z-test.
Sample mean = 
Standard deviation : 
Level of confidence:

Then, critical z-value =
The confidence interval to estimate the population mean is given by :_


Hence, the 95% confidence interval to estimate the population mean can be computed as
.
Answer:
she can buy 3 with a total of six dollars remaining after she bought the three video games
Step-by-step explanation:
200-134 =66
66 -60=3
12 different combinations because 4 times 3 equals 12.
Answer:
The answer is 3 units.
Step-by-step explanation: