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djverab [1.8K]
3 years ago
14

9. Which product is greater? (-9) (-3) or (-7) • (-2)? Explain.

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
5 0

Answer:

-(9)(-3) is the greater product

VashaNatasha [74]3 years ago
3 0

Answer:

Step-by-step explanation:

(-9) (-3) = 27 (positive) > (-7) • (-2) = 14 (positive)

there is nothing to really explain, except for:

Negative x Negative = Positive

Negative / Negative =  Positive

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A Nevada roulette wheel had 38 pockets, labeled as 0 00 1 2 3 ... 35 36. One bet is single number. If you bet $1 on a number (an
slavikrds [6]

Answer:

-0.0526

Step-by-step explanation:

Let X be the random variable denoting the net gain(in dollars) for a single trial(one bet).

Assuming that each number in the wheel is equally likely, probability of the outcome being a victory is \frac{1}{38} and probability of failure is \frac{37}{38}. For a win, X takes value 35 and for a loss X takes value -1. So the model is,

P(X=35) = \frac{1}{38}

P(X=-1) = \frac{37}{38}

P(X=i) = 0 \;if\; i \neq 38, i\neq -1

The mean for one bet is E(X) = \sum xP(X=x) = 35\times\frac{1}{38} - 1\times\frac{37}{38} = -0.0526

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3 years ago
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