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snow_tiger [21]
2 years ago
5

Adam is an opera singer. Below are the number of times that his voice cracked during each of six concerts

Mathematics
1 answer:
Gre4nikov [31]2 years ago
3 0

In this picture dots are clearly shown the frequency of the concert.

<h3>What is Frequency?</h3><h3>Frequency refers to the number of times an event or a value occurs. A frequency table is a table that lists items and shows the number of times the items occur.</h3>

Here, in given data about the six concerts

Concerts              Frequency

    0                              2

    1                               2

    2                              1

    3                              1

Thus, on number line we mark 2 dots on zero, 2 dots on one, 1 dot on two and 1 dot on 3.

Learn more about Frequency from:

brainly.com/question/5102661

#SPJ1

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A random sample of of 100 voters in a town is selected, and 24 are found to support an annexation suit. Find the 96% confidence
lbvjy [14]

Answer: 0.24 +/- 0.088 = (0.152, 0.328)

Step-by-step explanation:

The point estimate p is given by;

p= 24/ 100 = 0.24

Z value for 96% confidence interval is 2.05

The solution for the given confidence interval is derived using the equation

p +/- z√(pq/n)

Where p = 0.24 q= 1-p = 0.76, n=100 z= 2.05

= 0.24 +/- 2.05√(0.24×0.76/100)

= 0.24 +/- 2.05(0.0427)

=0.24 +/- 0.088

= ( 0.152, 0.328)

6 0
3 years ago
Viola has a part time job in which she is paid an hourly basis for every hour up through 40 hours. For each hour after 40 hours,
blondinia [14]

Answer:

15.5

Step-by-step explanation:

for every hour we can say that the wage is x

hence we can create an equation:

40x + 160%*x = 644.80

now solve for x

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41.6x = 644.8

x = 15.5

hourly wage is 15.5

3 0
3 years ago
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7y + 4x - 10 + 5y - 5 + x
Lemur [1.5K]

Answer:

hope it helps u

Step-by-step explanation:

7y + 4x - 10 + 5y - 5 + x

= 7y+5y+4x+x–10–5

= 12y+5x–15

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