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Valentin [98]
1 year ago
14

a local bank reports that 80% of its customers maintain a checking account, 60% have a savings account, and 50% have both. a. if

a customer is chosen at random, what is the probability the customer has either a checking or a savings account? (round your answer to 2 decimal places.) b. if a customer is chosen at random, what is the probability the customer does not have either a checking or a savings account? (round your answer to 2 decimal places.)
Mathematics
1 answer:
VMariaS [17]1 year ago
8 0

The Venn probabilities for this problem are given as follows:

a. 0.9 = 90%.

b. 0.1 = 10%.

<h3>What is a Venn probability?</h3>

In a Venn probability, two non-independent events are related with each other, as are their probabilities.

The "or probability" is given by:

P(A \cup B) = P(A) + P(B) - P(A \cap B)

For this problem, the events are given as follows:

  • Event A: Checking account.
  • Event B: Savings account.

From the text, the probabilities are given as follows:

P(A) = 0.8, P(B) = 0.6, P(A \cap B) = 0.5

From item a, the or probability is given as follows:

P(A \cup B) = 0.8 + 0.6 - 0.5 = 0.9

There is a 0.9 = 90% probability the customer has either a checking or a savings account.

For item b, <u>none is the opposite of either</u>, hence there is a 1 - 0.9 = 0.1 = 10% probability the customer does not have either a checking or a savings account.

More can be learned about Venn probabilities at brainly.com/question/25698611

#SPJ1

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Select the correct answer.
sleet_krkn [62]

Answer: Factors are the numbers and/or variables between your transactions (division, multiplication, addition, and subtraction signs). So the answer would be x2, 16x, and 64.

Step-by-step explanation:

You welcome

Can I get brainliest when sun else answers?

6 0
3 years ago
1. Delia purchased a new car for $23,350. This make and model straight line depreciates to zero after 13 years.
frosja888 [35]

Answer:

a. y-intercept = 23350 and x-intercept = 13

b. m = -\frac{23350}{13}

c. y = -\frac{23350}{13}x + 23350

Step-by-step explanation:

Given

Years = 13

Total\ depreciation = \$23350

Solving (a): The x and y intercepts

The y intercept is the initial depreciation value

i.e. when x = 0

This value is the value of the car when it was initially purchased.

Hence, the y-intercept = 23350

The x intercept is the year it takes to finish depreciating

i.e. when y = 0

From the question, we understand that it takes 13 years for the car to totally get depreciated.

Hence, the x-intercept = 13

Solving (b): The slope

The slope (m) is the rate of depreciation per year

This is calculated by dividing the total depreciation by the duration.

So:

m = \frac{23350}{13}

Because it is depreciation, it means the slope represents a deduction.

So,

m = -\frac{23350}{13}

Solving (c): The straight line equation

The general format of an equation is:

y = mx + b

Where

m = slope

b = y\ intercept

In (a), we have that:

y\ intercept = 23350

In (b), we have that:

Slope\ (m) = -\frac{23350}{13}

Substitute these values in y = mx + b

y = -\frac{23350}{13}x + 23350

<em>Hence, the depreciation equation is: </em>y = -\frac{23350}{13}x + 23350<em></em>

8 0
3 years ago
What are the twin prime numbers of 99 -199​
Naddika [18.5K]

Answer:

Therefore, the pairs of twin-prime numbers are (101,103) , (107,109) , (137,139) , (149,151) , (179,181) , (191,193) , (197,199) . So, the correct answer is “ (101,103) , (107,109) , (137,139) , (149,151) , (179,181) , (191,193) , (197,199) ."

4 0
3 years ago
2 ways to write y divided by three in algebra expression
JulijaS [17]

Answer:

y/3. 1/3y

Step-by-step explanation:

1/3y is y/3 because 1*y=y

7 0
3 years ago
Anyone have a answer for this?
LiRa [457]

Answer:

36.1 meters

Step-by-step explanation:

Since this is a rectangle, the parallel sides are equal to each other, meaning we technically already know all the side lengths.

I'll choose to look at the bottom triangle in this case

30 is already there, and the other leg should be 20. Knowing this, we can plug these into the pythagorean theorem.

20 is A, 30 is B, and the missing side is C

a^{2} + b^{2} = c^{2}\\20^{2}  + 30^{2} = c^{2} \\400 + 900 = 1300 \\\sqrt{1300} = 36.06\\

C, the missing side to the nearest tenth is 36.1 meters

7 0
2 years ago
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