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2 years ago

Graph the solution to the inequality on the number line m >-3

Mathematics

1 answer:

Mashutka [201]2 years ago

7 0

Answer:

sorry I can't remember this

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How to write 309,017 in word form

dalvyx [7]

Three hundred and nine thousand and seventeen

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3 years ago

Read 2 more answers

What is the slope of the line given by the equation y=-7X?

Usimov [2.4K]

Answer:

Slope = -7

Step-by-step explanation:

Intercept form y = mx + b where m = slope

In this case y = - 7x, slope m = -7

Answer

Slope = -7

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3 years ago

Suppose that, after measuring the duration of many telephone calls, a telephone company found their data was well-approximated b

Musya8 [376]

Answer:

a) 7.79%

b) 67.03%

c) Cumulative Distribution Function

$P(t) = \displaystyle\int^{\infty}_{-\infty} 0.1e^{-0.1t}~dt\\\\= \displaystyle\int^{b}_{a} 0.1e^{-0.1t}~dt, ~~a\leq t \leq b$

Step-by-step explanation:

We are given the following in the question:

$p(x) = 0.1 e^{-0.1x}$

where x is the duration of a call, in minutes.

a) P( calls last between 2 and 3 minutes)

$=\displaystyle\int^3_2 p(x)~ dx\\\\= \displaystyle\int^3_20.1e^{-0.1x}~dx\\\\=\Big[-e^{-0.1x}\Big]^3_2\\\\=-\Big[e^{-0.3}-e^{-0.2}\Big]\\\\= 0.0779\\=7.79\%$

b) P(calls last 4 minutes or more)

$=\displaystyle\int^{\infty}_4 p(x)~ dx\\\\= \displaystyle\int^{\infty}_40.1e^{-0.1x}~dx\\\\=\Big[-e^{-0.1x}\Big]^{\infty}_4\\\\=-\Big[e^{\infty}-e^{-0.4}\Big]\\\\=-(0- 0.6703)\\= 0.6703\\=67.03\%$

c) cumulative distribution function

$P(t) = \displaystyle\int^{\infty}_{-\infty} 0.1e^{-0.1t}~dt\\\\= \displaystyle\int^{b}_{a} 0.1e^{-0.1t}~dt, ~~a\leq t \leq b$

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3 years ago

Before 2017, a smart phone manufacturer's phones had a diagonal length of 5.8 inches and an aspect ratio

zhenek [66]

Answer: They were not correct it was bigger by 2.5 so the people were wrong

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3 years ago

Describe a compound event that has a probability between 50% and 80%.

Vikentia [17]

Answer:

r=4.5 I hope this helped!

Step-by-step explanation:

5 0

3 years ago