Answer:
Option B is right
Step-by-step explanation:
(One tailed test at 5% significance level)
n =16 and x bar =1.97
s =0.1
Std error of mean =
Mean diff =
t statistic =Mean diff/se =-1.2
df =16-1=15
p value =0.124375
(B) do not reject the null because the test statistic (-1.2) is > the critical value (-1.7531).
Let the number of the shirts of Lexon be A.
She ironed 1/4 or A over the weekend, so 3/4 of A are left to iron during the 5 weekdays.
So Lenox, each week day will iron:
that is 3/20 of A, the total number of his shirts.
If she has 40 shirts, that is if A=40, on Thursday and Friday, she will iron:
shirts.
Answer: 3/20 of the shirts ; 12 shirts
13 x 213 is your answer. i just answerd this question