Answer:
(b)E(x)=1.3087
(c)Variance of x =1.7119
(d)E(y)=2.0447
Step-by-step explanation:
Random variable x = number of cups of coffee consumed on an average day.
Total Respondents = 1014
(a)Probability distribution for x.
(b)Expected Value of x
E(x)=1.3087
(c)Variance of x
Variance
(d)
E(y)=2.0447
The expected vale of y is greater than the expected value of x.
0.02 or 2%. Divide the sales tax by the original price to get the sales tax rate.
Answer:
9 zebra fish and 5 neon tetras. White
Answer:
"I had to answer the equation on the board in math class."
Step-by-step explanation:
Hoped this helped you out!
Stay safe.
Answer:
494000
Step-by-step explanation:
2.5 percent of 130000 is 3250, so 3250 x number of years. There are 112 years in between. So 112 x 3250=364000. 364000 + 130000=494000.