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ycow [4]
3 years ago
10

El 1% de las videocámaras vendidas por la Phil´s Photo Shop, tiene un defecto en su estuche. Se seleccionan al azar cuatro estuc

hes de lo vendido recientemente. Encuentre la probabilidad de que exactamente uno esté defectuoso
Mathematics
1 answer:
Volgvan3 years ago
8 0

9514 1404 393

Answer:

  3.88%

Step-by-step explanation:

The probability that 1 is defective and 3 are not (out of four) is ...

  P(1 of 4) = 4(0.01)(0.99)^3 ≈ 0.0388 = 3.88%

__

The multiplier of 4 comes from the number of ways that 1 can be chosen from 4.

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Mercedes bought 2 1/2 pounds of blueberries and her son ate 1/4 the blueberries how many pounds of blueberries Are left?
iragen [17]
So all you do is you divide 2 1/2 by .25 and you get 10 then you know one fourth or 25% of that package is 10 berries so the rest or 30% left over is 30 berries. 
8 0
3 years ago
The slope of the line that passes through the points (7,1) and (x,4). What is the value of w?
maks197457 [2]

Answer:

  bbb

Step-by-step explanation:

bbb  idk sorry x

5 0
3 years ago
Find a function g for which g'(4)=g'(-8)=0
morpeh [17]

one correct answer is g(x)=0.

g'(4)=0 and g'(-8)=0

8 0
3 years ago
In 2000, the population of Massachusetts
Zepler [3.9K]

Answer:

The population reaches 7 million people in the year 2032.

Step-by-step explanation:

We have that

f(x) = 6.3*(1.0032)^{x}

Using this model, find the year when the population reaches 7 million people.

This is x years after 2000, in which x is found when f(x) = 7. So

f(x) = 6.3*(1.0032)^{x}

7 = 6.3*(1.0032)^{x}

(1.0032)^{x} = \frac{7}{6.3}

(1.0032)^{x} = 1.11

We have to following logarithm rule

\log{a^{x}} = x\log{a}

So we apply log to both sides of the equality

\log{(1.0032)^{x}} = \log{1.11}

x\log{1.0032} = \log{1.11}

x = \frac{\log{1.11}}{\log{1.0032}}

x = 32.66

2000 + 32.66 = 2032

The population reaches 7 million people in the year 2032.

3 0
3 years ago
PLEASE ANSWER THESE I RLLY NEED HELP I DONT UNDERSTAND I WILL MARK YOU AS BRAINLIEST IF YOU ANSWRR CORRECTLY PLS AND TY​
faust18 [17]

Answer:

Step-by-step explanation:

5.  You are asked to write an equation of the line in slope-intercept form, so you need to determine the slope of the line and the y-intercept.

You're lucky. One of the points, (0,1), has an x-coordinate of 0, so you know that the y-intercept is 1.

Use the coordinates of the points to determine the slope of the line.

slope = (difference in y-coordinates)/(difference in x-coordinates) = (10-1)/(3-0) = 9/3 = 3

The slope-intercept equation of the line is  y = 3x+1

:::::

7. When x = 0, function A = 0 and function B = 3, so function B has a greater initial value.

7 0
3 years ago
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