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3 years ago

ASAP plz Also show ur work if u can

Mathematics

1 answer:

guajiro [1.7K]3 years ago

4 0

All the answers are gotten using the lcm method
1.8/11
2.3/23
3.1/2
4.13/15
5.8/11
6.49/30
7.22/3
8.19/60

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The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 256.3 and a standard deviation of

AnnyKZ [126]

Answer:

a) In the interval ( 55,9 ; 456,7 ) we will find 99,7 % of all values

b) In the interval ( 122,7 ; 389,9 ) we find 95,4 % of all values

Step-by-step explanation:

For a Normal distribution N (μ ; σ ) the Empirical rule establishes that the intervals:

( μ ± σ ) contains 68,3 % of all values

( μ ± 2σ ) contains 95,4 % of all values

( μ ± 3σ ) contains 99,7 % of all values

If N ( 256,3 ; 66,8 )

σ = 66,8 ⇒ 3*σ = 3 * 66,8 = 200,4

Then: 256,3 - 200,4 = 55,9

And 256,3 + 200,4 = 456,7

a) In the interval ( 55,9 ; 456,7 ) we will find 99,7 % of all values

b) 2*σ = 2 * 66,8 = 133,6

Then 256,3 - 133,6 = 122,7

And 256,3 + 133,6 = 389,90

Then in the interval ( 122,7 ; 389,9 ) we find 95,4 % of all values

4 0

3 years ago

4. Calculate the expression shown below and write the answer in scientific

belka [17]

Answer:

$3.75 * 10^{-3}$

Step-by-step explanation:

We are given the equation 0.003 * 1.25 and are asked to solve it and convert it into scientific notation.

We need to first solve it:

$0.003 * 1.25$

$==> 0.00375$

Now convert it into scientific notation, if there are numbers before the decimal point, it is a positive exponent, visa versa:

$0.00375 = 3.75 * 10^{-3}$

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3 years ago

Order the following from least to greatest:

Nataliya [291]

Answer:

Step-by-step explanation: 54.34

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3 years ago

Read 2 more answers

A triangle has vertices at L(-7,0), M(2,1), and N(-3,5). Verify that is it a right isosceles triangle.

liq [111]

I think it would be 51.45. Sorry if its incorrect I really tried!

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2 years ago

What is the answer to 3/5+2/3

ratelena [41]

I hope this helps you

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3 years ago