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bazaltina [42]
3 years ago
8

What is the probability of rolling 4 even numbers on 4 rolls of a dice

Mathematics
1 answer:
hjlf3 years ago
7 0

Answer:

1/16

Step-by-step explanation:

Possible outcomes when rolling a fair die = 1, 2, 3, 4, 5, 6 (i.e 6 possible outcomes)

Possible outcomes when rolling an even number = 2, 4, 6 (i.e 3 possible outcomes)

Hence P (rolling even number on 1 roll) = 3 / 6 = 1/2

P (Rolling 4 even numbers on 4 rolls) = (1/2)(1/2)(1/2)(1/2) = 1/16

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Another ez 10 pnts :D
horsena [70]

Answer:

\frac{6}{5}

Step-by-step explanation:

1.Turn the 9 into a fraction

\frac{2}{15}  *\frac{9}{1}

2.factor the bigger numbers.

\frac{2}{3*5} *\frac{3*3}{1}

3.Cancel out the common factor(3)

\frac{2}{5} * \frac{3}{1}

4.multiply across

\frac{2}{5} *\frac{3}{1} =\frac{6}{5}

4 0
3 years ago
How old would a person born in 25 BC be on their birthday in AD 25?
djyliett [7]

Answer:

50 years old

Step-by-step explanation:

The BC/AD time line is like a number line: the negative side of 0, the numbers move backwards; and the positive side of 0 moves normally.  If you have -25, then move to +25, you have just moved 50 places.

Hope this helps :)

7 0
3 years ago
Ms. Perkins has a bag of candy with 30 pieces. She gave away 1/5 of the pieces to her students. How many pieces does she have le
fgiga [73]
Ms. Perkins will have 24 pieces of candy left, because 30 ÷ 5 = 6. So there for 1/5 is equal to 6 pieces of candy.
6 0
3 years ago
Write 0.0003532 in scientific notation.
tatyana61 [14]
The answer is.... 3.532*10^-4
8 0
3 years ago
1. John’s age is three times that of his sister. When you add John’s age to his sister's age, you get 36. How old are John and h
iren [92.7K]

Answer:

sister = 6 years

John=18 years

Step-by-step explanation:

A(S) + 12 = 3 * A(S), subtracting A(S) from both sides one gets 12 = 2 * A(S). Now dividing both sides by 2 we get A(S) = 12/2 = 6 . Therefore, the age of the sister is 6 years when her brother John is three times as old, that is 18 years.

6 0
3 years ago
Read 2 more answers
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