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Ne4ueva [31]
2 years ago
8

A locker requires a three-digit code to open the lock. The code must contain one letter and two numbers, and no letter or number

can be repeated. You can choose from among four letters, A, B, C, and D, and two numbers, 5 and 6.
The size of the sample space is .

If a code is chosen at random, the probability that it has a letter that immediately follows an odd number is .

If a code is chosen at random, the probability that D is in the code but is not in the first position is .
Mathematics
1 answer:
Bad White [126]2 years ago
6 0

not sure what the dots are supposed to mean..

but i think it's 6B5??

You might be interested in
(Essay Question 7 Points)
Irina18 [472]

Well I don't know.
Let's think about it:

-- There are 6 possibilities for each role.
    So 36 possibilities for 2 rolls.
    Doesn't take us anywhere.

New direction:
-- If the first roll is odd, then you need another odd on the second one.
-- If the first roll is even, then you need another even on the second one.
This may be the key, right here !

-- The die has 3 odds and 3 evens.

-- Probability of an odd followed by another odd = (1/2) x (1/2) = 1/4
-- Probability of an even followed by another even = (1/2) x (1/2) = 1/4

I'm sure this is it.  I'm a little shaky on how to combine those 2 probs.

Ah hah ! 
Try this:

Probability of either 1 sequence or the other one is (1/4) + (1/4) = 1/2 .

That means ... Regardless of what the first roll is, the probability of
the second roll matching it in oddness or evenness is 1/2 .

So the probability of 2 rolls that sum to an even number is 1/2 = 50% .

Is this reasonable, or sleazy ?


4 0
3 years ago
Math problem can somebody help!!!!
abruzzese [7]

Answer:

if am correct your answer will be letter d

Step-by-step explanation:

6 0
2 years ago
Find the volume of the figure. Round your answer to the nearest tenth, if necessary. For your answer just put the number. DO NOT
AleksandrR [38]
V = l x W x H
————- = 220
3
8 0
3 years ago
I need someone to explain functions and functional symmetry to me. This is very important, so if you do not have a legit answer,
dolphi86 [110]

Symmetrical functions can be about the x and y axis. Essentially, if we reflect the graph across the y or x axis, we get the same graph. Some other graphs can be reflected across both the x and y axis at the same time and be symmetrical. These can be classified as odd and even functions. You can test this by replacing x and y with -x and -y and simplify the equation. If the results comes out to be the same as the original, it is symmetrical across the origin.

Best of Luck!

3 0
2 years ago
Read 2 more answers
What is the volume of a rectangular prism if the length Is 9 the width is 2 and the height is 3
Bas_tet [7]
V = length×width ×height

V = 9 × 2 × 3

V = 54 units cubed
3 0
3 years ago
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