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Lapatulllka [165]
3 years ago
13

What is the measurements the for the angles

Mathematics
1 answer:
koban [17]3 years ago
5 0
The angle TQS is 74° and the angle SQR is 106°
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In a survey, of the voters support a particular referendum. If 40 voters are chosen at random, find the mean and variance for th
Katyanochek1 [597]

This question is incomplete, the complete question is;

In a survey, 55% of the voters support a particular referendum. If 40 voters are chosen at random,

find the mean and variance for the number of voters who support the referendum.

Answer:

a) The Mean is 22

b) Variance is 9.9

Step-by-step explanation:

Given that;

55% of the voters support a particular referendum p = 0.55

q = 1 - p = 1 - 0.55 = 0.45

sample size n = 40

a)

Mean = sample size n × p

Mean = 40 × 0.55

Mean = 22

Therefore the Mean is 22

b)

Variance = n × p × q

so we substitute

Variance = 40 × 0.55 × 0.45

Variance = 9.9

Therefore the Variance is 9.9

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3 years ago
Identify the slope of the line for the equation y = −
Lunna [17]

Answer:pretty sure it’s A. but the way you typed the things out I can’t tell

Step-by-step explanation:

7 0
3 years ago
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Alex73 [517]

Answer:

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3 0
3 years ago
Read 2 more answers
a town has a population of 10000 and growns at 2.5% every year what will be the population in 7 years
kaheart [24]

Answer:

The population after 7 years will be 11887

Step-by-step explanation:

Given

Population = P_0 = 10000

Growth Rate = r = 2.5%

Time = t = 7

The formula for calculating the population after given time at given rate is:

The population after 7 years will be 11887

Step-by-step explanation:

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Is the following relation a function?
Elina [12.6K]
No, because:

f(1)\ne f(1)
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