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Radda [10]
3 years ago
10

From 1000 students half being boys and half being girls 100 names were pulled out of a hat to complete a survey for school what

sampling method is being used?
Mathematics
2 answers:
Mama L [17]3 years ago
6 0
Random sampling. its where you pick or make a smaple at random
mojhsa [17]3 years ago
3 0

Answer:

The Random sampling method is being used.

Step-by-step explanation:

Consider the provided statement.

Random sample: If we select the subset of the individuals from the given set and the probability of getting selected for each individual is same, then it is known as the random sample.

There are 1000 students out of which 500 are boys and 500 are girls.

The probability of selecting a boy and a girl is the same.

If we pull out 100 names then the probability will be the same for the boys as well as for the girls.

Here, for each individual, the probability is the same.

Thus, the Random sampling method is being used.

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Answer:

Let x represents the number of pants and y represents the number of shirts.

As per the statement:

Since, a clothing store are selling pants for $8.99 and shirts for $3.99

then;

total number of Pants cost is, $8.99x and total number of Shirt cost is, $3.99

Also, it is given that: You can spend as much as $60 and want to buy at least two pairs of pants.

then, we have the equation of inequality;

8.99x + 3.99y \leq 60 ;......[1]         where x, y are natural number.

x-intercept:

Substitute the value y= 0  in [1] and solve for x;

8.99x + 3.99(0) \leq 60

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x \leq 6.667

Since, x is in natural number;

x \leq 7

Similarly.

For y-intercept:

Substitute the value x= 0  in [1] and solve for x;

8.99(0) + 3.99y \leq 60

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y \leq 15.037

y \leq 15

Therefore, we have

8.99x + 3.99y \leq 60 ;

2\leq x\leq 7 and  0\leq y\leq 15

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