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3 years ago

HELP!!!! I NEED THIS NOW!!!

1 answer:

6 0

150% salary raise means that your salary is being raised by 1.5 because 1.5 is 150%

For example, if you made 10 dollars for salary, 150% salary raise would result in you getting $15 now.

10x 1.5= 15

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It is estimated that 88% of senior citizens suffer from sleep disorders and 7% suffer from anxiety. Moreover, 5% of senior citiz

Alla [95]

Answer:

a) 0.71

b) 0.06

Step-by-step explanation:

We solve using Baye's Theorem

It is estimated that 88% of senior citizens suffer from sleep disorders and 7% suffer from anxiety. Moreover, 5% of senior citizens suffer from both sleep disorders and anxiety.

We have Two events

A and B

Events A = 88% of senior citizens suffer from sleep disorders

P(A) = 0.88

Event B = 7% suffer from anxiety

P(B) = 0.07

Moreover, 5% of senior citizens suffer from both sleep disorders and anxiety.

P(A and B) = 0.05

a)Given that a senior citizen suffers from anxiety, what is the probability that he or she also suffers from a sleep disorder? Round your answer to the nearest hundredth.

This is calculated as:

P(A and B)/P(B)

= 0.05/0.07

= 0.7142857143

Approximately = 0.71

B) Find the probability that a senior citizen suffers from anxiety, given that he or she has a sleep disorder. Round your answer to the nearest hundredth.

This is calculated as:

P(A and B)/P(A)

= 0.05/0.88

= 0.0568181818

Approximately = 0.06

7 0

2 years ago

Explain the different ways it is possible to add two rational numbers and get a negative number

snow_lady [41]

Answer:
both numbers are negative
negative number is greater than the positive number

Explanation:
In order to add two rational numbers and get a negative value, one of two scenarios should occur:
1- both numbers are negative.
In this case, the answer would definitely be negative as the two numbers are originally negative
Examples:
-9 + -2 = -9 - 2 = -11
$\frac{-1}{2} + \frac{-3}{2} = \frac{-4}{2} = -2$

2- negative number is greater than the positive number
In this case, the negative sign would dominate and the result would be negative
Examples:
-9 + 3 = -6
$\frac{-5}{6} + \frac{2}{6} = \frac{-3}{6}$

Hope this helps :)

5 0

3 years ago

Read 2 more answers

Solve the inequality x^2-4x-7<0

ANEK [815]

Answer:

Inequality Form:

2 − √ 11 < x < 2 + √ 11

Interval Notation:

( 2 − √ 11 , 2 + √ 11 )

Step-by-step explanation:

Solve the inequality for x by finding a , b , and c of the quadratic then applying the quadratic formula.

8 0

3 years ago

Suppose a researcher studying health issues measures blood pressure and the percentage of body fat for several adult males and f

slamgirl [31]

Answer:1) hypertension

2) cardiovascular Risk Factor

3) Obesity

Step-by-step explanation:

They all have to do with effective flow of blood in the body system

6 0

3 years ago

What is 5x15 and 7x6

fiasKO [112]

5x15 is 75 and 7x6 is 42

8 0

2 years ago

Read 2 more answers