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3 years ago

On a line graph, time is usually represented on the vertical axis. true or false?

Mathematics

2 answers:

777dan777 [17]3 years ago

7 0

False, it is on the horizontal.

murzikaleks [220]3 years ago

3 0

I think it would be false

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Let X equal the number of typos on a printed page with a mean of 4 typos per page.

timama [110]

Answer:

a) There is a 98.17% probability that a randomly selected page has at least one typo on it.

b) There is a 9.16% probability that a randomly selected page has at most one typo on it.

Step-by-step explanation:

Since we only have the mean, we can solve this problem by a Poisson distribution.

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

In which

x is the number of sucesses

e = 2.71828 is the Euler number

$\mu$ is the mean in the given time interval.

In this problem, we have that $\mu = 4$

(a) What is the probability that a randomly selected page has at least one typo on it?

Thats is $P(X \geq 1)$ . Either a number is greater or equal than 1, or it is lesser. The sum of the probabilities must be decimal 1. So:

$P(X < 1) + P(X \geq 1) = 1$

$P(X \geq 1) = 1 - P(X < 1)$

In which

$P(X < 1) = P(X = 0)$ .

$P(X = 0) = \frac{e^{-4}*4^{0}}{(0)!} = 0.0183$

$P(X \geq 1) = 1 - P(X < 1) = 1 - 0.0183 = 0.9817$

There is a 98.17% probability that a randomly selected page has at least one typo on it.

(b) What is the probability that a randomly selected page has at most one typo on it?

This is $P = P(X = 0) + P(X = 1)$ . So:

$P(X = 0) = \frac{e^{-4}*4^{0}}{(0)!} = 0.0183$

$P(X = 1) = \frac{e^{-4}*4^{1}}{(1)!} = 0.0733$

$P = P(X = 0) + P(X = 1) = 0.0183 + 0.0733 = 0.0916$

There is a 9.16% probability that a randomly selected page has at most one typo on it.

3 0

3 years ago

Solve the equation x=5/3πr^3 for r.

JulsSmile [24]

Answer:

go to symbolab and put that in, ur welcome

6 0

3 years ago

Arrange 3x^2 – 6x^4 + 2 + 4x in standard form please

ella [17]

Answer:

3x^(2)+6x+4

Step-by-step explanation:

5 0

3 years ago

PLZZZZZZZZZ NEED HELP ASAP QUESTION WORTH 20 POINTS

andrezito [222]

Part A: After 9 days the radius of algae was approximately 12.81 mm. The reasonable domain to point is (0,9).

Part B: The 9 on the y-intercept represents the amount of algae the experiment started with.

Part C: (12.81-10.12)/7=0.38

5 0

3 years ago

How many ounces of trail mix are in a bag that weighs 0.681 kilograms? Input only numeric values. (1 pound = 0.454 kg and 1 poun

navik [9.2K]

The math is.
.681÷ .454= 1.5 which is in pounds than you take 16÷2= 8 take that 8 add it to the 16 giving you 24 ounces
24 ounces is your answer.

5 0

4 years ago

Read 2 more answers