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2 years ago

6

Choose all of the following scenarios below that contain biased samples.

2 answers:

Korvikt [17]2 years ago

7 0

Answer:

1 and 3 are biased

Step-by-step explanation:

A biased sample is ond where all individuals were not given equal likelihood of being selected.

Number 1;

Picking students from the cafeteria would lead to sampling bias because not every student from the school eats from the cafeteria. Those she selected can not be used to account for the whole school. Those that use the cafeteria are only a representation of the whole school and not the entire school.

For number 3:

Paul is interested in finding the mean number of cloth shoppers In a mall and is only collecting data from one clothing store without considering other stores in the mall.

Gennadij [26K]2 years ago

3 0

Answer:

answer is (2)

Step-by-step explanation:

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half of an integer exceeds one _ third of the next integer by unity .Find the integer. please ask fast

gulaghasi [49]

9514 1404 393

Answer:

8

Step-by-step explanation:

If the integer is n, half of it is n/2. The next integer is (n+1) and 1/3 of it is (n+1)/3. You want ...

n/2 - (n+1)/3 = 1

n(1/2 -1/3) -1/3 = 1

n/6 = 4/3 . . . . . . . . add 1/3, simplify

n = 6(4/3) = 8

The integer is 8.

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2 years ago

Using the table, what is the relative frequency of the blue beads?

Pepsi [2]

20% is ur answer to the question

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3 years ago

Please help me with this , it would mean alot

algol [13]

Answer:

Step-by-step explanation:

21-26. a = v - u / t

=> a = 47 - 19 / 5

=> a = 28 / 5

=> a = 5.6 m/s²

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=> 40 m / 10 s

=> 4 m/s

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=> v = 150 / 40

=> v = 15 / 4

=> v = 3.75 m/s

4 0

2 years ago

In ΔHIJ, i = 550 inches, j = 150 inches and ∠H=92°. Find the length of h, to the nearest inch.

Novay_Z [31]

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Step-by-step explanation: deltamath

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2 years ago

At a clothing store, jackets are on sale for 30% off. Sales tax is 5%. Which expression will calculate the total cost of a jacke

VLD [36.1K]

Answer: B.x(0.75)

Step-by-step explanation:

If the jacket has a cost of $x$ , but has $30\%$ off and we have to add the $5\%$ in tax, we can write all in the following expression:

$x-30\% x+5\%x$

Where:

$x$ is the cost

$30\% x=\frac{30}{100}x=0.3 x$ is the percent off

$5\%x=\frac{5}{100}x=0.05x$ is the tax

Then:

$x-0.3 x+0.05 x=0.75 x$

This can be also rewritten as:

$x(0.75)$

Hence, the correct option is B.

3 0

3 years ago