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kotegsom [21]
2 years ago
14

A box contains 5 blue beads, 4 yellow beads and 3 purple beads.

Mathematics
1 answer:
Gennadij [26K]2 years ago
7 0

Answer:

A: 1/22

B: 3/44

C: 41/44

D: 3/11

Step-by-step explanation:

Hope this help : )

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A local animal rescue organization receives an average of 0.55 rescue calls per hour. Use the Poisson distribution to find the p
andreyandreev [35.5K]

Answer:

B) 0.894

Step-by-step explanation:

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 interval.

A local animal rescue organization receives an average of 0.55 rescue calls per hour.

This means that \mu = 0.55

Probability that during a randomly selected hour, the organization will receive fewer than two calls.

P(X < 2) = P(X = 0) + P(X = 1)

In which

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

P(X = 0) = \frac{e^{-0.55}*(0.55)^{0}}{(0)!} = 0.577

P(X = 1) = \frac{e^{-0.55}*(0.55)^{1}}{(1)!} = 0.317

P(X < 2) = P(X = 0) + P(X = 1) = 0.577 + 0.317 = 0.894

5 0
3 years ago
A microscope can magnify the object it is looking at 10×4 times. How many times is that? (MCC.8.EE.3) A. 40,000 times B. 40 time
damaskus [11]

Answer:

10×4 = 40

10^4 = 10,000

Step-by-step explanation:

10^4 is another way to write 10⁴ = 10·10·10·10 = 10,000.

Essentially, the exponent tells you how many places to the right of the leading digit the decimal point lies (here, the number of zeros in the number).

_____

<em>Comment on the answer choice</em>

The appropriate answer depends on what you mean by your problem statement. Some microscopes magnify 40 times; others magnify 10,000 times, so we cannot tell the appropriate answer using our knowledge of microscopes.

3 0
3 years ago
Michelle is filling out a form and needs to enter her height in meters. She knows that she is 145 centimeters tall. What value s
Viefleur [7K]
The value is 1.45 meters
3 0
3 years ago
Read 2 more answers
Can somebody help me do this?
saveliy_v [14]

Answer:

a) Point Q

b) Sides SQ,RQ

c)Angle RQT and Angle Q

Step-by-step explanation:

6 0
3 years ago
Use the data to create a scatter plot\<br> forks: 2,4,6,8,10,12<br> spoons: 10,6,4,1,0,2
Len [333]

Answer:

The resulting scatter plot is attached below :

To plot the required scatter plot :

We first take forks on the x - axis and the spoons on the y - axis

Now we arrange the given data in the form of x and y coordinates

Hence, the data becomes :

(2, 10)

(4, 6)

(6, 4)

(8, 1)

(10, 0)

(12, 2)

Now, We plot these points on the graph and get the required scatter plot for the given data.

5 0
3 years ago
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