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3 years ago

List the following expressions in order from least to greatest. (explain how you calculated the

Mathematics

1 answer:

irga5000 [103]3 years ago

8 0

Step-by-step explanation:

Since d is an decimal, the higher the power of d, the smaller the value.

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The lifetime of two light bulbs are modeled as independent and exponential random variables X and Y, with parameters lambda and

Scorpion4ik [409]

Answer:

$\bf h(x)=max(\lambda,\mu) e^{-max(\lambda,\mu) x}\;(x\geq0)$

Step-by-step explanation:

The PDF of X is

$\bf f(x)=\lambda e^{-\lambda x}\;(x\geq0)$

The PDF of Y is

$\bf g(x)=\mu e^{-\mu x}\;(x\geq0)$

The means of X and Y are respectively,

$\bf \displaystyle\frac{1}{\lambda}\;,\displaystyle\frac{1}{\mu}$

so we can see that the larger the parameter, the smaller the mean. Hence the PDF of Z = min(X, Y) is an exponential with the largest parameter of the two.

Therefore, the PDF of Z is

$\bf h(x)=max(\lambda,\mu) e^{-max(\lambda,\mu) x}\;(x\geq0)$

7 0

3 years ago

Solve each equation.Show your work.<br>Can someone help me please??

Inga [223]

Answer:

1/2a = -5

a = (-5 x 2) : 1

a = -10

8 - b = 9,5

b = 8 - 9,5

b = -1,25

0,1 = -10c

c = 0,1 : -10

c = -0,01

I hope it's helpful.

3 0

3 years ago

Which of the following is NOT a measure ofâ center? Choose the correct answer below.

irina [24]

Answer:

Option B) census

Step-by-step explanation:

We have to find the measure of center.

The measure of center is also known as the measure of central tendency.

The measure of central tendency for a data is given by

Mean
Median
Mode

It help us to identify the central position of data in different ways.

Thus, out of the given option census is not a measure of center.

Option B) census

4 0

3 years ago

X= 0 , 1 , or 7<br> Y= -10, 5, or 10<br> Please helppppp will mark Brainliest

vlabodo [156]

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Write as a mathematical equation. The product of 5 and x is 25.

pickupchik [31]

answer:

5x=25

Divide 5 from both sides

5x/5=25/5

x=5

4 0

3 years ago