A)
Let c be the number of right guesses.
the probability of c answers =.25 and probability of the wrong answer is 1-.25=.75
c distribution is in the parameter of (20, .25).
b) mean = 20 * .25== 5
c) p of c guess =.25 ^20 =9.095* 10 ^-13
d) p of 10 c guess =.014 or 1.4% it is not possible for him to have 10 right guess.
Answer:
Decreased
Step-by-step explanation:
-The rate of growth in food prices can be calculated using the compound interest formula as:
We use the calculated growth rate in food prices to find the potential future value of a 90's income:
#Compare this calculated value to the stated value:
Hence, the real value of income has decreased since it's less than it's future value over the 10-year period.
The answer is 21. Hope this helped.
Answer:
Step-by-step explanation:
Could you try zooming out? I may need too see the whole page.
Answer:
4y^2-y+21
Step-by-step explanation:
(4y-5y)+(5y^2-y^2)+(-6+27)
-y+4y^2+21
put it in standard form
4y^2-y+21
