Let \( A \) and \( B \) be events with \( P(A)=1 / 3 \) and \( P(B)=2 / 3 \). Let \( N \) be the number of events from among \( A \) and \( B \) that occur. (For instance, if \( A \) occurs but \( B \) does not, then \( N=1 \).) Suppose that the occurrence of events in \( A \) and \( B \) are independent. Find, for example, the probability that no events occur.

Answers

Answer 1
Answer:

Answer:

( 2/9 )

Step-by-step explanation:

Okay, so since the events A and B are independent, the probability that both of them do not occur is the product of their individual probabilities of not occurring.

The probability of event A not occurring, denoted as ( P(A') ), is equal to 1 minus the probability of A occurring. Similarly, the probability of event B not occurring, denoted as ( P(B') ), is equal to 1 minus the probability of B occurring.

So, ( P(A') = 1 - P(A) = 1 - 1/3 = 2/3 ) and ( P(B') = 1 - P(B) = 1 - 2/3 = 1/3 ).

Since A and B are independent, the probability that both A and B do not occur is simply the product of their individual probabilities of not occurring:

[ P(N = 0) = P(A' cap B') = P(A')P(B') = (2/3) times (1/3) = 2/9 ]

So, the probability that no events occur is ( 2/9 ).

Hope this helps! :)


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Using a directrix of y = 5 and a focus of (4, 1), what quadratic function is created?

State True or false: As long as its argument is restricted to [0,2pi] the polar form of a complex number is unique.

Answers

In this question, the answer will be false because when the problem will berestricted to [0, 2\pi) only, then there will be 2 polar points.The first r will be a positive, and the other r, of course, will be a negative.If the question has added a range where r is greater than zero (r > 0),this will be true becaue it only included the positive r.

Answer:

it's Truen

Step-by-step explanation:

a p l e x

State True or false: As long as its argument is restricted to [0,2pi] the polar form of a complex number is unique.

Its True

Use the Triangle Inequality to determine if it is possible to draw a triangle with sides: 16 ft, 17 ft, 20 ft

Answers

Answer:

It is possible.

Step-by-step explanation:

Since the shorter two sides (16 and 17 feet) added together are greater than the longest side(20 feet) it meets the triangle inequality theorem

Flve tickets to a carnlval cost $45. How much would seven
tickets cost?

Answers

Answer:

$63

Step-by-step explanation:

In order to solve this problem, we need to find the unit price, which is the price per 1 ticket in this case. To find this, we need to divide $45 by 5 because each ticket is the same amount: $45 / 5 = $9. So each ticket is $9.

Now, we need to find how much 7 tickets would cost. To do this, multiply the $9 / ticket by 7 tickets: $9 * 7 = $63.

This, 7 tickets would cost $63.

Hope this helps! God Bless u!!!

Answer:

63

Step-by-step explanation:

because each ticket is $9 each

A catering company charges a $300 set up fee and $10 per person for a lunch buffet. Approximately how many people must attend the lunch so that the total cost per person is $14?

Answers

Answer:

Let x be the number of person and y be the total cost per person.

As per the statement:

A catering company charges a $300 set up fee and $10 per person for a lunch buffet.

"$10 per person" translated to 10x

then;

Total cost per person = 10x+300

It is also given that: total cost per person is $14.

14x=10x+300

Subtract 10x from both sides we have;

4x = 300

Divide both sides by 4 we have;

x = 75

Therefore, 75 number of people must attend the lunch so that the total cost per person is $14


CATERING TOTAL COST  F(X) = 10X + 300

TOTAL REQUIRED                       14X

                                                  10X + 300 = 14X

                                                   10X - 14X = -300

                                                            -4X = -300

                                                              4X = 300

                                                                X= 300/4

                                                                 X=75  <------------------SOLUTION

Event B is dependent on event A, and event A occurs before event B. Which expression is equal to the probability of event A?

Answers

  • An event is the result of a random experiment or a group of shared results.
  • It could be defined as every subset of a sample space because the sample space is a collection of all possible results of a random experiment.

When the event B is dependenting on event A,

\to \bold{P(B \cap A) \neq P(B)* P(A)}\n\n

When the event A comes before event B. So, the probability of B given A:

\to \bold{P(B|A)=(P(B\cap A ))/(P(A))}

Solving the value for the P(A):

\to \bold{P(A)=(P(B\cap A))/(P(B| A))}

Therefore, the "\bold{P(A)=(P(B\cap A))/(P(B| A))}" is correct.

Learn more:

brainly.com/question/11234923

P(B|A)=(P(B\cap A))/(P(A))
Therefore:
P(A)=(P(B\cap A))/(P(B|A))

The function s(V) = describes the side length, in units, of a cube with a volume of V cubic units. Jason wants to build a cube with a minimum of 64 cubic centimeters.What is a reasonable range for s, the side length, in centimeters, of Jason’s cube?

Answers

The function for the volume of the cube is
s(V) = V³

The minimum volume of the cube is 
s(V) ≥ 64 cm³
V³ ≥ 64
V ≥ ∛64
V ≥ 4

The range of the value is from 4 to positive infinity.

Answer:

B

greater or equal to 4