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 = 
50
46is closer to 50
because the 6 in 46 determins wgeather it should go forward or backward
Answer:
$3,078.04
Step-by-step explanation:
-Given her income is $27,267, she falls under the 10% and 12% brackets with the following boundaries as attached.
-Her tax is then calculated as;
#10% bracket;

#12% Tax bracket:

The total tax=970+2108.04=$3,078.04
Hence, Lynn owes $3,078.04 in taxes.
Answer:152 litres
Steps:76cm×50cm×40cm
=152000cm³
Converting cm³ into litres
=152litres
Answer:
4
Step-by-step explanation:
6+10=16
2+2=4
16/4 = 4