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3 years ago

If Harriet recorded outdoor temperatures as -7C,-2C, and 1*C what order does it go in-?

Mathematics

1 answer:

Greeley [361]3 years ago

7 0

lowest to highest

-7 , -2 , 1

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B and C are correct.

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What is 0.025 in word form?

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Twenty-five thousandths.

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A survey conducted by a leading HMO found that of 2000 women, 340 were heavy smokers and 25 had emphysema. Of those who had emph

belka [17]

Answer:

The events being a heavy smoker and having emphysema are not independent.

Step-by-step explanation:

We are given the following in the question:

Number of women = 2000

Number of heavy smoker = 340

Number of women who has emphysema = 25

Number of women who has emphysema and are heavy smoker = 21

$\text{Probability} = \displaystyle\frac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}$

P(Smoker) =

$P(S) = \dfrac{340}{2000}=0.17$

P(emphysema) =

$P(E) = \dfrac{25}{2000}= 0.0125$

P(Smoker and emphysema) =

$P(S\cap E) = \dfrac{21}{2000} = 0.0105$

Two events A and B are said to be independent if

$P(A\cap B)=P(A)\times P(B)$

Checking conditions for independence:

$P(S)\times P(E) = 0.17\times 0.0125=0.002125\\P(S)\times P(E) \neq 0.0105\\P(S)\times P(E)\neq P(S\cap E)$

Thus, the events being a heavy smoker and having emphysema are not independent.

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3 years ago

Y+3 7/15 =12 14/15 − 8/15 <br> Solve the equation.

Misha Larkins [42]

Answer:

y=9 7/15

Step-by-step explanation:

y + 3 7/15 = 12 14/15 - 8/15

y + 3 7/15 = 12 14/15

- 3 7/15 - 3 7/15

y = 9 7/15

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3 years ago

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Answer:

Step-by-step explanation:

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If Harriet recorded outdoor temperatures as -7*C,-2*C, and 1*C what order does it go in-?

If Harriet recorded outdoor temperatures as -7C,-2C, and 1*C what order does it go in-?