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3 years ago

Second question. I'm so ready to be done with this unit

Mathematics

2 answers:

mr_godi [17]3 years ago

8 0

Answer:1st one i think if i am correct

Step-by-step explanation:

Andrej [43]3 years ago

7 0

Answer:

The maximum value is 14.

Step-by-step explanation:

x has to be less than or equal to -2, but x is greater than or equal to -4(This means it can be -2, -3, or -4).

y is greater than or equal to 1, but it is less than or equal to 6(so it can be from 1, 2, 3, 4, 5, or 6.)

The maximum for x is -2 and the maximum for y is 6, so...

5 times -2 equals -10.

4 times 6 is 24.

-10 + 24 = 14.

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3 years ago

Find the variance of this probability distribution. Round to two decimal places.

attashe74 [19]

Answer:

Variance = 4.68

Step-by-step explanation:

The formula for the variance is:

$\sigma^{2} =\frac{\Sigma(X- \mu)^{2}}{N} \\or \\ \sigma^{2} =\frac{\Sigma(X)^{2}}{N} -\mu^{2} \\$

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$X: Values \\\mu: Mean \\N: Number\ of\ values$

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3 years ago