I think the original width was 9.6 in and the original length was 38.4 in.
Hope this will help u
Answer:
interval = [17.3948 , 20.6052]
Step-by-step explanation:
given,
random sample (n) = 45
average product lifespan = 19 years
standard deviation = 4 years
confidence interval of 99 % = ?
we know,
t* = qt(1.99/2 + 44 ) = qt(0.995,44)
t* = 2.692
so,
interval




interval = [19 - 1.6052 , 19 + 1.6052]
interval = [17.3948 , 20.6052]
4,000 in bank -500 and 15000 so she had -20000 +4000 so it equals -16000
Answer:
21
Step-by-step explanation:
the sum of the express of the summation of the notation