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Serggg [28]
2 years ago
5

Soundtronics is a company that manufactures inexpensive headphones. Due to the high volume some of the headphones are defective

when they come off the production line. The probability that a set of headphones is defective is 39%. Find the probability that the first set of defective headphones is not one of the first 55 sets off the production line.
Mathematics
1 answer:
Simora [160]2 years ago
5 0
Ta3 l3able fi bi idek l ndaf li ba3dak mghassalon
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The table below shows the relative frequencies of the color of cars bought last month by males and females. Which percentage rep
frozen [14]
The first thing we must do for this case is to observe the highest relative frequency of the table in the total column.
 For the white car we have:
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 Answer:
 
The percentage that represents the car bought most often is:
 
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5 0
3 years ago
A coin is tossed 5 times. Find the probability that none are heads. Find the probability that at most 2 are heads.
kiruha [24]
1- the answer is 1/32


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6 0
2 years ago
Which number line shows the solution to 11x + 14 < –8?
Alika [10]

Answer:

positive 11x+ positive 14 to the right is greater than negative 8 to the left

Step-by-step explanation:

hope I helped

4 0
2 years ago
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Find the value of the variable.
MatroZZZ [7]

Answer:

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7 0
3 years ago
The surface area of this triangular pyramid, whose base and lateral faces are congruent equilateral triangles, is __ square inch
DedPeter [7]

Answer:

The surface area is equal to 390\ in^{2}

Step-by-step explanation:

The surface area of the triangular pyramid is equal to the area of its four triangular faces

so

In this problem

SA=4[\frac{1}{2}(b)(h)]

we have

b=15\ in

h=13\ in

substitute the values

SA=4[\frac{1}{2}(15)(13)]=390\ in^{2}

4 0
3 years ago
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