Please answer this correctly

Mathematics

1 answer:

max2010maxim [7]4 years ago

3 0

Answer:

Yellow model, 20%

Step-by-step explanation:

There are 25 rooms that are vacant, out of 125. This means that 20% of the rooms are vacant. The yellow model displays this correctly because the sections are 1/5 or 20% out of 125.

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In studying the insurance preferences of homeowners the following conclusions are made: A homeowner is three times as likely to

Ede4ka [16]

Answer:

0.632

Step-by-step explanation:

Given that a homeowner is three times as likely to purchase additional jewelry coverage as additional electronics coverage

If probability of purchasing additional electronics coverage = p, then prob of purchasing jewelry coverage = 3p

The two events are independent hence joint probability is product of these two.

i.e. P(both) = $p(3p) =3p^2$

This is given as 0.2

$3p^2 =0.2\\p = 0.258$

the probability that a homeowner purchases exactly one coverage.

$=P(AUB)-P(A \bigcap B)$

= Prob he purchases I + prob he purchases II-2(prob he purchases both)

$= 0.258+3(0.258)-2(0.2)\\=0.632$

5 0

3 years ago

List a positive and negative number whose absolute value is greater than 3. Justify your answer using the number line.

tino4ka555 [31]

Answer:

|5|, |-6|, |4|, |-3.5|...

Step-by-step explanation:

The absolute value is related with the distance between the number and the zero of the number line, then each number greater than 3 will have an absolute value greater than 3, as we can see in the picture, the numbers positive or negative will have a positive distance to the origin of the number line.