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3 years ago

What is the average number of candies per bag

Mathematics

1 answer:

Shtirlitz [24]3 years ago

3 0

Answer:

Step-by-step explanation:

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For safety reasons, four different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hi

larisa [96]

Answer: a) $(0.99)^4$

Step-by-step explanation:

Given : For safety reasons, four different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills bank.

Each of the four systems detects theft with a probability of .99 independently of the others .

Probability for independent events $(E_1 , E_2 , E_3 , ....., E_n)$ occurs together = $P(E_1)\times P(E_2)\times P(E_3)\ .....\times P(E_n)$ .

Then, the probability that when a theft occurs, all four systems will detect it

= (0.99) x (0.99) x (0.99) x (0.99)

$= (0.99)^4$

Hence, the probability that when a theft occurs, all four systems will detect it is $(0.99)^4$ .

Hence, the correct answer is a) $(0.99)^4$ .

5 0

3 years ago

Can i please get some help with this

zlopas [31]

Answer:

when x is 1 y is 3

when x is 2 y is 7

when x is 3 y is 11

when x is 4 y is 15

6 0

3 years ago

If 21 is added to a number the result is 40 less than twice the number what is the number?

Karolina [17]

If 21 is added to (+ 21) a number (x) the result (=) is 40 less than (- 40) twice the number (2x)

x + 21 = 2x - 40 Add 40 to both sides
x + 61 = 2x Subtract x from both sides
61 = x Switch the sides to make it easier to read
x = 61

7 0

3 years ago

A group of four friends are playing golf. The total cost of the round of golf is $108. Each person in the group has the same cou

azamat

Answer:

Each coupon was worth $8.

Hope this is helpful! =)

5 0

3 years ago

Click an item in the list or group of pictures at the bottom of the problem and holding the button down drag it into the correct

Fiesta28 [93]

Answer:

1/9

Step-by-step explanation:

0.1(repeating)

4 0

3 years ago