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2 years ago

Question -3(-4)= Please help me I don’t know what to do!

Mathematics

1 answer:

kotegsom [21]2 years ago

5 0

Answer:

The answer is 12. Please please like.

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3 years ago

What does this mean I need help?

chubhunter [2.5K]

Answer:

Step-by-step explanation:

x > 3 reads x is greater than three. This includes all numbers to the right of three, but not three itself. |₋₋|₋₋|₋₋₀---|---|---|---|---|---|----->

0 1 2 3 4 5 6 7 8 9

x ≤5 reads x is less than or equal to five. This includes all numbers to the left of and including the number 5 <--|---|---|---|---|---|---|--•₋₋₋|₋₋|₋₋₋|₋₋₋|₋₋₋₋

-2 -1 0 1 2 3 4 5 6 7 8 9

x ≥ -4 reads x is greater than or equal to minus four. This includes all numbers to the right of and including -4.

|₋₋₋|₋₋₋|₋₋₋•---|---|---|---|---|---|---|-->

-7 -6 -5 -4 -3 -2 -1 0 1 2 3

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2 years ago

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Tic-tac-toe: In the game of tic-tac-toe, if all moves are performed randomly the probability that the game will end in a draw is

Natasha2012 [34]

Answer:

$P(X \geq 1) = 1-P(X$

And if we find the individual probability we got:

$P(X=0)=(7C0)(0.127)^0 (1-0.127)^{7-0}=0.3865$

And replacing we got:

$P(X \geq 1) = 1-P(X$

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

Let X the random variable of interest, on this case we now that:

$X \sim Binom(n=7, p=0.127)$