For the first quarter the prob is 4/10, then without replacement to find a nickel you would multiply 4/10 by 3/9 which would give you .13333.
The slope - intercept form: y = m x + b
43 = 2 m + b ⇒ b = 43 - 2 m
36 = 4 m + b
------------------------
36 = 4 m + 43 - 2 m
36 - 43 = 4 m - 2 m
- 7 = 2 m
m = - 7 : 2
m = - 3.5
b = 43 - 2 · ( - 3.5 ) = 43 + 7 = 50
Answer:
Yulian`s situation is represented by the equation:
y = - 3.5 x + 50
The amount that you get from rocking chairs is $100 × r which is $100r
and the amount that you gt from bar stools is $40×b which is $40b
The total amount will be the added amount of 100r + 40 b
so answer is 100r+40b
Answer:
D. 0.200, 0.026
Step-by-step explanation:
For each teen, there are only two possible outcomes. Either they have a fax machine, or they do not. The probability of a teen having a fax machine is independent of other teens. So we use the binomial probability distribution to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
Forty-three percent of US teens have heard of a fax machine.
This means that
You randomly select 12 US teens.
This means that
Find the probability that the number of these selected teens that have heard of a fax machine is exactly six (first answer listed below).
This is . So
So the answer is either option B or D.
Find the probability that the number is more than 8
So the correct answer is given by option D.