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boyakko [2]
4 years ago
8

An experiment involves tossing a die. these are some of the events:

Mathematics
2 answers:
Lena [83]4 years ago
8 0

"Tossing a die" is assumed to mean choosing a random face of a cube with faces numbered 1 through 6 such that the probability of choosing any particular face (number) is 1/6.

Event <em>a</em> is "observe a 2". Event <em>b</em> is "observe an even number". The event "<em>a</em> and <em>b</em>" is "observe 2 and an even number". This matches precisely the description for event <em>a</em>. In other words

... <em>a</em> and <em>b</em> = <em>a</em>

... p(<em>a</em> and <em>b</em>) = p(<em>a</em>) = p(choosing 2) = 1/6

8090 [49]4 years ago
5 0

Answer:

<u>Option-</u> B

  • An experiment involves tossing a die. these are some of the events during which we can be able to observe an even number.                                                                                                                      

Step-by-step explanation:

  • It is more obviously to know that there will be six sides for us to observe and each time we will get an even number to observe during the process.So, it all goes with the mechanisms of the probability that are taken under considerations when we speak about such events to happen.
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the case of napkins contained 45 packs with a total of 10,125 napkins. each napkin contained the same number of napkins. write a
Pavlova-9 [17]
You would need to do 10,125/45 = n, and in which case we just solve. 
10,215/45=227, so there are 227 napkins in each box.


Hope this helps and have a nice day:)
7 0
3 years ago
suppose a weather app says that the probability of rain today is 30%. What is the complement of the event ""rain today"" what is
ValentinkaMS [17]

Answer:

The complement event would be: "No rain today"

Its probability would be 70%

Step-by-step explanation:

Given the event:

A= rain today

The probability of rain today is 30%

P(A)=30%=0.3

The complement event has all the values that are not included in the event.

The complement event would be:

A'= No rain today

The probability of a event is the subtraction between 1 and the complement event:

P(A')=1-P(A)

Then, the probability of the event "No rain today" will be:

P(A')=1-0.3=0.7=70%

4 0
4 years ago
Megan purchased a new gadget for her technology hobby. She plans to sell it sometime in the future, however, its value depreciat
ElenaW [278]

Answer:

The second term defines the value that will be depreciated by the rate of 22 units for m months.

Step-by-step explanation:

Given is :

The value of the gadget after 'm' months = 2020 - 22m

This expression tells us that, each month Meghan's gadget's price falls by 22 units from the original value.

The original value of the gadget is 2020 units.

Therefore, the constant term (2020 )of the expression represents the original value of the gadget,

And the second term defines the value that will be depreciated by the rate of 22 units for m months. And m defines the number of months Meghan will keep the gadget.

5 0
3 years ago
John’s bank account increased in value from last year to those year by 8% to $250. If the account increases by the same percenta
inessss [21]

Answer:

$270

Step-by-step explanation:

We are given;

  • The rate of increase is 8%
  • The new amount is $250

We need to determine the value in the next year with the same rate of increase;

Therefore;

250% = 100%

New amount = 100 + 8 = 108%

Therefore;

New amount = (250 × 108)÷ 100

                      = $270

Therefore, the value in the next year is $270

4 0
3 years ago
Complete the square for 5x2 – 30x = 5.
Tresset [83]
C is the answer because (5x-3)
6 0
3 years ago
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