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Grace [21]
2 years ago
7

1/4 as a fraction and a decimal

Mathematics
1 answer:
storchak [24]2 years ago
8 0

Answer: 1/4 fraction .25 decimal

Hope this helps :)

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Brainlyst for best answer with work shown
wlad13 [49]

Answer:

5*5 = one face = 25 inches squared

6 faces times 25 inches square = 150 inches squared

Step-by-step explanation:

4 0
3 years ago
a statistics professor finds that when he schedules an office hour at the 10:30a, time slot, an average of three students arrive
Veseljchak [2.6K]

Answer:

The probability that in a randomly selected office hour in the 10:30 am time slot exactly two students will arrive is 0.2241.

Step-by-step explanation:

Let <em>X</em> = number of students arriving at the 10:30 AM time slot.

The average number of students arriving at the 10:30 AM time slot is, <em>λ</em> = 3.

A random variable representing the occurrence of events in a fixed interval of time is known as Poisson random variables. For example, the number of customers visiting the bank in an hour or the number of typographical error is a book every 10 pages.

The random variable <em>X</em> is also a Poisson random variable because it represents the fixed number of students arriving at the 10:30 AM time slot.

The random variable <em>X</em> follows a Poisson distribution with parameter <em>λ</em> = 3.

The probability mass function of <em>X</em> is given by:

P(X=x)=\frac{e^{-\lambda}\lambda^{x}}{x!};\ x=0,1,2,3...,\ \lambda>0

Compute the probability of <em>X</em> = 2 as follows:

P(X=2)=\frac{e^{-3}3^{2}}{2!}=\frac{0.0498\times 9}{2}=0.2241

Thus, the probability that in a randomly selected office hour in the 10:30 am time slot exactly two students will arrive is 0.2241.

6 0
3 years ago
Read 2 more answers
You earned a 84% on a science test. You answered 21 questions correctly. How many questions were on the test?
sergij07 [2.7K]
20 x .80 = 16 
So the answer would be 16. 
I hope this helps :)
6 0
3 years ago
Michael needs at least $150 to buy a new pair of Jordans shoes. He has already
damaskus [11]
Y=15x+45
150=15x+45
-45 -45
105=15x
105/15=15x/15
7=x
7 hours
3 0
3 years ago
What is the slope-intercept form of 6x −2y−4 = 0?<br> Can you please explain with some details?
Morgarella [4.7K]
6x -2y-4 = 0 \\ \\the \ slope \ intercept \ form \ is : \\ \\ y= mx +b \\ \\6x -2y-4 = 0 \\ \\-2y =-6x+4\ \ /:(-2)\\ \\y=\frac{-6}{-2}x+\frac{4}{(-2)}\\ \\y=3x-2 \\ \\ the \ slope \ (the multiplier \ of \ x \ represented \ by \ m ) \ is \3\\ \\ and \ the \ y-intercept \ (the constantrepresented \ by \ b \ ) \ is \ -2
7 0
3 years ago
Read 2 more answers
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