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Eddi Din [679]
3 years ago
11

A random number generator is used to create a list of 200 single-digit numbers. Of those 200 numbers, 105 are even and ninety-fi

ve are odd. Seven was generated fifteen times. What is the experimental probability of an odd number other than seven being generated?
Mathematics
2 answers:
EastWind [94]3 years ago
5 0

Answer:

0.4 or 40%

Step-by-step explanation:

The total number of trials in this case is 200, since there were 200 single-digit numbers generated.

Of those 200, we know that 95 of them were odd.  Of the 95 odd numbers, seven was listed 15 times; this leaves us

95-15 = 80 odd numbers that were not the number 7.

This is 80 numbers out of a possible 200; this is 80/200, which simplifies to 40/100 = 0.4, which is the same as 40%.

Debora [2.8K]3 years ago
4 0
The answer is 40.0%. It is correct I seen the answer.
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Two more than 4 times the cube of a number is 34.
icang [17]

Answer:

2

Step-by-step explanation:

4x^3 + 2 = 34

4x^3 = 32

x^3 = 8

x=2

4 0
3 years ago
What is the sum of any rational number and its opposite and why
VladimirAG [237]

Answer:

Step-by-step explanation:

If by opposite you mean...

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Find the mean of the following numbers; 7 21 2 17 3 14 7 4 9 7 9
Margarita [4]

Answer:

9

Step-by-step explanation:

2,3,4,7,7,7,9,9,14,17,21

21,17,14,9,9,7,7,7,4,3,2

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3 0
3 years ago
Read 2 more answers
How do u factor this
PilotLPTM [1.2K]

You can factor a parabola by finding its roots: if

p(x)=x^2+bx+c

has roots x_1,\ x_2, then you have the following factorization:

p(x) = (x-x_1)(x-x_2)

In order to find the roots, you can use the usual formula

x_{1,2} = \dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

In the first example, this formula leads to

x_{1,2} = \dfrac{-2\pm\sqrt{4+4}}{2} = \dfrac{-2\pm\sqrt{8}}{2} = \dfrac{-2\pm2\sqrt{2}}{2} = 1 \pm \sqrt{2}

So, you can factor

x^2-2x-1 = (x-1-\sqrt{2})(x-1+\sqrt{2})

The same goes for the second parabola.

As for the third exercise, simply plug the values asking

f(1.5)=-5.25

you get

f(-1.5) = 1.5c-3 = -5.25

Add 3 to both sides:

1.5c = -2.25

Divide both sides by 1.5:

c = 1.5

7 0
3 years ago
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8 0
3 years ago
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