Answer:
Step-by-step explanation:
a) 
b) Sample mean is the average of sample
c) std deviation of the sample
d) std dev/sq rt n
e) (sample mean - mu)/std error
f) p value = prob with test statistic
g) If p < alpha, reject H0.
h) If rejected, there is evidence that significant difference between population mean and sample mean.
Answer:
no it's different 30% would be 12 and 40% would be 16 if it was going into 30 now mark as brainliest
Lowest number is 15,147 the highest number is 19,835 simple subtract the lowest from the highest you get 4688
Answer:
268
Step-by-step explanation: