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Lyrx [107]
3 years ago
15

A poll was conducted in which every 49th student entering a school is polled. There were 496 students that entered the school on

the day of the poll. Which type of sampling was used?
systematic

stratified

cluster

convenience
Mathematics
2 answers:
gavmur [86]3 years ago
6 0
Systematic is my answer
Ipatiy [6.2K]3 years ago
3 0
<h2><em>Answer:</em></h2>

The answer is systematic sampling.

Step-by-step explanation:

A poll was conducted in which out of total 496 students entering the school, every 49th student entering the school was polled.

This is systematic sampling.

Systematic sampling is defined as a sampling method where sample is selected from a large population. These samples are selected with a fixed periodic interval.

Whereas in stratified sampling method, the sample is randomly created out of elements from all the strata.

In the cluster sampling method, the data is divided into groups called clusters. And all the units of these clusters form a sample.

In convenience sampling, the data is collected from people who are conveniently available to participate in polls.

Therefore, as per the definition, we can say that the answer is systematic sampling.

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In-s [12.5K]

Answer:

it’s 8 and 2 and 4 and 0

Step-by-step explanation:

this is because when you multiply 2x the x is an 8 so 2 times 8 is 16 then minus 2 is 14 which is greater than -4 same for my other answer

7 0
2 years ago
Find the quotient,a. 70 /10 =a
Orlov [11]
  • The answer is 7 because 70 divided by 10 is 7
8 0
3 years ago
Jason leaves Detroit at 2:00 PM and drives at a constant speed west along I-96. He passes Ann Arbor, 40 mi from Detroit, at 2:50
Vladimir [108]

Answer:

d = 48t will represent the distance 'd' traveled in 't' hours.

Step-by-step explanation:

Jason leaves Detroit at 2:00 PM and passes through Ann Arbor at 2:50 PM which is 40 mi distant from Detroit.

Speed during this journey was constant.

Jason traveled 40 mi in 50 minutes or \frac{5}{6} hours from Detroit to Ann Arbor.

By the formula,

Speed = \frac{\text{Distance traveled }}{\text{Time taken to travel this distance}}

Speed = \frac{40}{\frac{5}{6}}

           = 48 mi per hour

If he travels 'd' miles in 't' hours then by the formula of speed,

48 = \frac{d}{t}

d = 48t

7 0
3 years ago
11 3/4-7 1/4 evaluate answer need asap
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3 years ago
Find the number of primes less than 190 using the principle of inclusion-exclusion.
Troyanec [42]

The number of primes less than 190 using the principle of inclusion-exclusion are 42

<h3>Principle of inclusion- exclusion</h3>

The principle of inclusion-exclusion is known as a counting technique that computes the number of elements satisfying at least one of several properties and guaranteeing that the numbers are not counted twice.

Prime numbers are numbers only divisible by 1 and itself.

Prime numbers less than 190 are:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181

They are 42 in number

Therefore, the number of primes less than 190 using the principle of inclusion-exclusion are 42

Learn more about prime numbers here:

brainly.com/question/874965

#SPJ11

8 0
2 years ago
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