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Pani-rosa [81]
3 years ago
11

Plzzzzzzzzzzz help me

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
6 0
The second table does not represent a function
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Because gambling is a big​ business, calculating the odds of a gambler winning or losing in every game is crucial to the financi
IRISSAK [1]

Answer:

a) 0.1165

b) 0.0983

c) 0.000455

d) 0.787

e) 0.767

Step-by-step explanation:

5 ​bars, 4 ​lemons, 3 ​cherries, and a bell

Total = 5+4+3+1 = 13

The probability of getting a bar on a slot, P(Ba) = 5/13 = 0.385

A lemon, P(L) = 4/13 = 0.308

A cherry, P(C) = 3/13 = 0.231

A bell, P(Be) = 1/13 = 0.0769

a) Probability of getting 3 lemons = (4/13) × (4/13) × (4/13) = 256/2197 = 0.1165

b) Probability of getting no fruit symbol

On each slot, there are 4+3 = 7 fruit symbols.

Probability of getting a fruit symbol On a slot = 7/13

Probability of not getting a fruit symbol = 1 - (7/13) = 6/13 = 0.462

Probability of not getting a fruit symbol On the three slots = 0.462 × 0.462 × 0.462 = 0.0983

c) Probability of getting 3 bells, the jackpot = (1/13) × (1/13) × (1/13) = 1/2197 = 0.000455

d) Probability of not getting a bell on the 3 slots

Probability of not getting a bell on one slot = 1 - (1/13) = 12/13 = 0.923

Probability of not getting a bell on the 3 slots = (12/13) × (12/13) × (12/13) = 1728/2197 = 0.787

e) Probability of at least one bar is a sum of probabilities

Note that Probability of getting a bar = 5/13 and probability of not getting a bar = 8/13

1) Probability of getting 1 bar and other stuff on the 2 other slots (this can happen in 3 different orders) = 3 × (5/13)×(8/13)×(8/13) = 960/2197 = 0.437

2) Probability of getting 2 bars and other stuff on the remaining slot (this can also occur in 3 different orders) = 3 × (5/13)×(5/13)×(8/13) = 600/2197 = 0.273

3) Probability of getting 3 bars on the slots machine = (5/13) × (5/13) × (5/13) = 125/2197 = 0.0569

Probability of at least one bar = 0.437 + 0.273 + 0.0569 = 0.7669 = 0.767

5 0
3 years ago
roman mixes 1.5 liters of orange juice w 800 milliliters of pineapple juice to make punch, for every 1 liter there are 1000 mill
Natali5045456 [20]

Answer:

2.3 liters

Step-by-step explanation:

800 ml (milliliters) = 0.8 l (liters)

1.5 + 0.8 = 2.3 l

4 0
3 years ago
Why does brainley give free answers? How do they benefit from it?
Agata [3.3K]

Answer:

by getting more attention on the app  and there numbers get higher

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
(x+3)(x-2) <br> Polynomial in standard form
postnew [5]
You FOIL the binomials out to get a quadratic.
7 0
3 years ago
Read 2 more answers
Solve the system of equations.<br> - 5x + 2y = 9<br> Y = 78<br> =
Oksi-84 [34.3K]

Answer:

x = 147/5 and y = 78

Step-by-step explanation:

First solve by substitution and put 78 into y in -5x + 2y = 9 so you get 147/5

then plug 147/5 into x and find y

7 0
3 years ago
Read 2 more answers
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