Answer:
y = 4
Step-by-step explanation:
Answer:
Step-by-step explanation:
a) it is true that the bigger the sample size, the more accurate the reported average of the sample. An increased sample size gives a smaller standard deviation. This improves accuracy.
b) It is false. A type 1 error occurs when a true null hypothesis is rejected
c) It is true. The null hypothesis is considered true until the alternative hypothesis which is contrary is favoured by sufficient evidence.
Answer:
Part B: $544.5
Step-by-step explanation:
PART B:
The area of the carpet is the product of its dimensions:
.
The carpet costs $2.00 per ; therefore, the total cost of the carpet will be
.
Also, the installer charges $0.75 per to install the carpet; therefore, the total cost of installation will be
.
Thus, the total amount it will cost Amy to buy the carpet and have it installed will be