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Viktor [21]
3 years ago
14

Math problem question

Mathematics
1 answer:
nikklg [1K]3 years ago
4 0

x-2

Since Tyler didn't start until Serena had wrapped 2 boxes and they both wrap boxes at the same rate, this could be written as x-2. This works for the second and third images if you plug in the number of boxes Serena has graphed for x in the equation. 3-2=1, 4-2=2.

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10 m/sec =___ km/hr<br> With conversions PLEASE !!!
Scilla [17]

Answer:

36

Step-by-step explanation:

10*3600/1000

36000/1000

36 km/hr

6 0
3 years ago
suppose that the lifetime of a transistor is a gamma random variable x with mean of 24 weeks and standard deviation of 12 weeks.
emmainna [20.7K]

The probability that the transistor will last between 12 and 24 weeks is 0.424

X= lifetime of the transistor in weeks E(X)= 24 weeks

O,= 12 weeks

The anticipated value, variance, and distribution of the random variable X were all provided to us. Finding the parameters alpha and beta is necessary before we can discover the solutions to the difficulties.

X~gamma(\alpha ,\beta)

E(X)= \alpha \beta                 \beta= 12^{2}/24=6 weeks

V(x)= \alpha \beta ^{2}                \alpha=24/6= 4

Now we can find the solutions:

The excel formula used to create Figure one is as follows:

=gammadist(X, \alpha, \beta, False)

P(12\leq X\leq 24)

P(12/6\leq G\leq 24/6)

P(2\leq G\leq 4)

P= 0.424

Therefore, probability that the transistor will last between 12 and 24 weeks is 0.424

To learn more about probability click here:

brainly.com/question/11234923

#SPJ4

4 0
1 year ago
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A set of data is normally distributed with a mean of 75 and a standard deviation of 3. What percent of the data is in the
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Answer:

Step-by-step explanation:

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Maria bought seven boxes. A week later half of all her boxes were destroyed in a fire. There are now only 22 boxes left. With ho
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