Answer:
16.65$
Step-by-step explanation:
The way you find area is multiplying width times height, so you have to multiply 15 by 4 which equals 60. Therefore the answer is 60
Answer: x4
Step-by-step explanation:
Answer: A. 0.4899 B. 14
Step-by-step explanation:
If X = random variable
then, the standard deviation of the sampling distribution of X = 
A.
GIven: 
The standard deviation of the sampling distribution of X = 
B. Let n be the sample size,

Hence, the required sample size = 14
If you type in calculator on google click the buttons and do 140 divided by 55% but the long way to do a percentage problem is to find 1% of the number you start off with and multiply it by the percentage so in this case 1% of 140 would be 1.4 and multiply that by 55 t