Answer:
Step-by-step explanation:
Given : Sample size :
Sample mean :
Standard deviation :
Significance level :
Critical value :
Formula to find the confidence interval for population mean :-
Hence, a 90% confidence interval estimate of the population mean of all students =
It would be $2.25
if each student pays one more penny than the last one the penny count would be up to 150 pennies times the number of student which is 150 so multiply and add your decimal
Answer:
photo not clear
Step-by-step explanation:
try re-upload the question