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Yuri [45]
3 years ago
5

The probability for event A is 0.3, the probability for event B is 0.6, and the probability of events A or B is 0.8.Why are the

events not mutually exclusive?
Mathematics
2 answers:
stepan [7]3 years ago
8 0

Answer:

not mutually exclusive

Step-by-step explanation:

never [62]3 years ago
3 0

Answer:

The events are not mutually exclusive because the P(A and B)=0.1 not 0

Step-by-step explanation:

Mutual exclusive events are those that can't happen at the same time.For example Tossing a coin, Head and Tail are mutually exclusive events because you can't get a Head and a tail at  the same time.Another example is turning left and turning right are mutually exclusive because you can't do both at the same time.

If events are mutually exclusive, they can happen at the same time.

Mathematically,the probability of mutual exclusive events follows;

P(A and B)=0 ------------The probability of A and B together equals 0

P(A or B) = P(A)+P(B)-----The probability of A or B equals the probability of A plus the probability of B.

In this question you are given;

P(A)=0.3

P(B)=0.6

P(A or B) =P(A) + P(B)= 0.3+0.6 =0.9

0.9≠0.8 thus the events are not mutually exclusive.

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The factory makes 400 cars per day. If the workday is eight hours long. What is the hourly rate at which car are produced
bixtya [17]

Answer:

50

Step-by-step explanation:

400/8 =50

5 0
3 years ago
Manny runs 15 3/4 miles each week. Zander runs 5/6 as many miles each week as Manny.
Liula [17]

Answer:

Zander ran 13 1/8 miles

Step-by-step explanation:

Manny = M

Zander = Z

Z=M(5/6)

Z=15 3/4(5/6)

Z=13 1/8

8 0
3 years ago
Jerry has a CD case that contains 4
kvv77 [185]

Answer:\frac{1}{15}

Step-by-step explanation:

Given

There are

4 country music CD

1 rock and roll CD

2 rap CD

3 Tejano CD

\text{Probability that Jerry randomly select a Tejano CD and then a rap CD from his case}=\text{Probability of selecting a Tejano CD}\times \text{Probability of selecting a rap CD}

P=\frac{3}{10}\times \frac{2}{9}

P=\frac{2}{30}

P=\frac{1}{15}

4 0
3 years ago
A 24 inch x 30 inch poster is made from a picture that is 4 inch x 5 this is an example of what
ratelena [41]
This is an example of an expansion. The original figure is enlarged using proportional reasoning.

Each side length is multiplied by 6 to get the new poster.
3 0
4 years ago
Answer ASAP and I’ll mark you brainliest!
marusya05 [52]

Answer:

The box will hold 594in³

Step-by-step explanation:

volume = length x breadth x height

= 18in x 11in x 3in

= 198 in² x 3in

= 594in³

8 0
3 years ago
Read 2 more answers
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