Each population member has a known chance of being included when a probability sampling procedure is used. true or false

Mathematics

1 answer:

ivann1987 [24]3 years ago

4 0

Answer: True

Step-by-step explanation:

In probability sampling procedure, it is always a non-zero percent chance for each population member to be included. The methods of probability sampling includes random sampling, systematic sampling and stratified sampling.

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What is twice the sum of -2 and a number is the same as the number decreased by 7/2

Akimi4 [234]

Sent a pic of the solution (s).

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3 years ago

In a movie theater, the first row contains 3 seats, the second row contains 6 seats, the third row contains 9 seats, and the fou

yanalaym [24]

Answer:It's an arithmetic sequence with a common difference, d, = 4

A1 = 8

A2 = 8+4 = 12

A3 = 12+4 = 16 = 8+4(3-1) = 8+4(2) = 8+8

AN = A1 + d(N-1)

AN = 8 +4(N-1) = the Nth term in the sequence

Step-by-step explanation: hoped it helped

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2 years ago

Simplified?

kap26 [50]

Answer:

Option B

Step-by-step explanation:

Given the following question:

In order to find the answer, we need to convert the scientific notation into standard notation and then simplify by subtracting the decimals. Then we convert the standard notation back into scientific notation.

$0.0007 - (4.9\times 10^{-7} )$
$4.9\times10^{-7} =0.00000049$
$0.0007-0.00000049$
$0.0007-0.00000049=0.00069951$
$=0.00069951$
$0.00069951=6.9951 \times10^{-7}$
$=6.9951 \times10^{-7}$

Your answer is "6.9951 × 10^-7" or option B.

Hope this helps.