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gayaneshka [121]
3 years ago
6

Find the expectation of times of rolls if u want to get all 6 numbers when u can rolling a 6 sided die.

Mathematics
1 answer:
Mademuasel [1]3 years ago
8 0
The minimum number of rolls would be 6 because there is a 1/6 chance to get 1 the first time, 2 the second time, or 3 the third time and so on.
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You sell instruments at a Caribbean music festival. You earn $326 by selling 12 sets of maracas, 6 sets of claves, and x djembe
Veronika [31]

Answer:

Step-by-step explanation:

Let m = maracas

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6 0
4 years ago
The amount y (in grams) of the radioactive isotope fermium-253 remaining after t hours is y=a(0.5)t/72, where a is the initial a
almond37 [142]

Answer:

Per hour decay of the isotope is 0.96%.

Step-by-step explanation:

Amount of radioactive element remaining after t hours is represented by

y=a(0.5)^{\frac{t}{72}}

where a = initial amount

t = duration of decay (in hours)

Amount remaining after 1 hour will be,

y=a(0.5)^{\frac{1}{72} }

y = 0.9904a

So amount of decay in one hour = a - 0.9904a

                                                      = 0.0096a gms

Percentage decay every hour = \frac{\text{Amount of decay}}{\text{Initial amount}}\times 100

                                                  = \frac{0.0096a}{a}\times 100

                                                  = 0.958 %

                                                  ≈ 0.96 %

Therefore, per hour decay of the radioactive isotope is 0.96%.

7 0
4 years ago
What is 16+2 and 18-3 and 2*3?
stepladder [879]

Answer:

16+2=18

18-3=15

2*3=6

Step-by-step explanation:

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