Answer: 1.467
Step-by-step explanation:
Formula of Margin of Error for (n<30):-
Given : Sample size : n= 22
Level of confidence = 0.90
Significance level : 
By using the t-distribution table ,
Critical value : 
Standard deviation: 
Then, we have
Hence, the margin of error for the confidence interval for the population mean with a 90% confidence level =1.467
Answer: She needs 86 more pens
Step-by-step explanation: She starts off with 39 pens and she needs to get to 125 so you would subtract 39 from 125 and you would find the answer to how many more she needs.
Answer:
12 miles
Step-by-step explanation:
1/2 inch per 2 miles
3 inches away
3 ÷ 1/2 = 6
6 * 2 = 12
Answer:
First option
Step-by-step explanation:
Have a nice day
Answer:
uhh either 4/4 1 or 2/2
Step-by-step explanation:
if the words covered by the light reflection says "the shaded part", then there are 4 total pieces, which means all four are shaded.
