Answer:
Substitution
Step-by-step explanation:
tbh i havent checked so sorry if its wrong
Answer:
The PMF of B is given by
P(B=0) = 0.7
P(B=1) = 0.16
P(B=2) = 0.08
P(B=3) = 0.04
P(B=4) = 0.02
Step-by-step explanation:
Let x denote P(B=1), we know that
P(B=0) = 1-0.3 = 0.7
P(B=1) = x
P(B=2) = x/2
P(B=3) = x/4
P(B=4) = x/8
Also, the probabilities should sum 1, thus
0.7+x+x/2+x/4+x/8 = 1
15x/8 = 0.3
x = 0.16
As a result, the PMF of B is given by
P(B=0) = 0.7
P(B=1) = 0.16
P(B=2) = 0.08
P(B=3) = 0.04
P(B=4) = 0.02
Answer: The answer should be 36.75 inches.
Step-by-step explanation:
21 inches divided by 4 inches = 5.25
Multiply 5.25 by 7, which equals 36.75
The answer to this question is 1,193,400,00 ml of gasoline. We can reach this conflusion through the following equation:
3.9
x 10^3 10 x 10 x 103.9 x 1,0003,900 ml per second. Then, to work out
how many ml are burned in a minute, multiply 3,900 by 60. Therefore, we
can establish that ne commercial airplane burns around 234,000 ml of
gasoline per minute. Next, consider the equation 5.1 x 10^35.1 x 10 x 10
x 105.1 x 1,0005,100. From this, we can work out that 5,100 airplanes
burn 1,193,400,000 ml of gasoline in one minute.
Answer:
A 5040
B 35
Step-by-step explanation:
A There are 7 ways to put the first picture. There are 6 pictures left and 6 ways to put the 2nd picture. There are now 5 pictures left and 5 ways to put the 3rd picture. And so on
7 * 6*5*4*3*2*1
5040
B If we can only have 3 pictures and order does not matter
7 choices for the first * 6 *5
But
We have to take into account order
The first picture can go into 3 slots, the second into 2 and the third 1 so divide by 6
(7*6*5)/ (3*2*1)
35
