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lesya692 [45]
3 years ago
5

If you roll a fair die two times, what is the probability of rolling an odd number then rolling a 6 on the same die?

Mathematics
2 answers:
pshichka [43]3 years ago
7 0

Answer:

Step-by-step explanation:

Explanation: The probability of rolling a 2 on a 6-sided dice is 16 . The probability of rolling two 2s on two 6-sided die is, by the multiplication principle, 16×16=136 .

9966 [12]3 years ago
4 0

Answer:

P (6+odd) = 1/3

Step-by-step explanation:

In this situation, rolling a six-sided has 6 outcomes, each of which is equally likely, so we can define the probability of an event (such as rolling a 6 or rolling an odd number) as the ratio of favorable outcomes to possible outcomes: the probability of rolling a 6 and the probability of rolling an odd number We often write P(roll a 6) = 1/6 to stand for "the probability that you roll a 6 is equal to 1/6" where P(E) means the probability that event E occurs. (This is like function notation in algebra: the parentheses do not mean multiplying P times E in this situation.) We might also write P(6) instead of P(roll a 6) as long as the context is clear (that we're rolling a single six-sided die and looking to get a 6.)

In practice, even if a die is absolutely fair (and few dice truly are), we might roll the die 12 times (say) and not get any sixes. Or we might get 4 sixes instead of the 2 sixes we'd expect to get. But if rolled the dice a million times, or a billion times, we would expect the percentage of rolls resulting in sixes would eventually settle in on 1/6.

Answer

1/6, or 16.67%, for rolling 6 + 3/6 for rolling an odd number prior.

Meaning same chance if it is the other way round with odds then throwing a 6.

P 1/6+3/6 = 4/12 = 1/3 chance. = 33.33%

There are links on probability when you ask when do you need to multiply for probability.Also when do you add for probability etc.

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3 years ago
Jackson purchased a pack of game cards that was on sale for 22% off. The sales tax in his county is 6%. Let y represent the orig
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Answer:

Final cost = 0.9328y

Step-by-step explanation:

Assume,

Original price = y

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So,

Sales price = y[100%-22%]

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3 years ago
students can buy up to 10 books at the book fair the cost of the books as shown in the graph what is the domain of the graph
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5 0
3 years ago
Read 2 more answers
Math question below!!​
nikdorinn [45]

Answer:

A

Step-by-step explanation:

x² - 4x - 5 = 0

x² - 5x + x - 5 = 0

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7 0
3 years ago
Melissa buys 2 1/2 pounds of salmon and 1 1/4 pounds of swordfish. She pays a total of $31.25, and the swordfish cost $.20 per p
julsineya [31]

Answer:

The combined cost of 1 pound of salmon and 1 pound of swordfish is $16.66

Step-by-step explanation:

Let us assume the cost of 1 pound salmon = $ m

So the cost of 1 pound of 1 pound swordfish cat = $ ( m - 0.20)

Now, the Amount of salmon purchased  = 2 1/2 pounds

2\frac{1}{2}  = 2 + \frac{1}{2} = 2 + 0.5 = 2.5

So, the amount of salmon purchased = 2.5 pounds

Cost of buying 2.5 pounds = 2.5 x ( 1 pound cost)

= 2.5 ( m) = $ 2.5 m  ...... (1)

Also, the Amount of swordfish purchased  = 1 1/4 pounds

1\frac{1}{4}  = 1 + \frac{1}{4} = 1 + 0.25 = 1.25

So, the amount of swordfish purchased = 1.25 pounds

Cost of buying 1.25 pounds = 1.25 x ( 1 pound cost of swordfish)

= 1.25 ( m - 0.20) = $ 1.25 m - 0.25       .... (2)

Now, the combined cost paid  = $ 31.25

⇒Cost of buying (2.5 pounds salmon  +  1.25 pounds swordfish) = $ 31.25

or, 2.5 m +   1.25 m - 0.25  = 31.35       (from (1) and (2))

or, 3.75 m = 31.60

or, m = 31.60/3.75 =  8.43

⇒ m = $8.43

So, the cost of 1 pound salmon = m = $8.43

and the cost of 1 pound swordfish = m - 0.20 = $8.43 - 0.20 = $ 8.23

Hence, the combined cost  1 pound of salmon and 1 pound of swordfish = $8.43 + $ 8.23 =  $ 16.66

6 0
3 years ago
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