She must win the next 8 consecutive games to get 80% and after that loose the next 12 games to get to 50%.
<h3>How to find the probability of winning?</h3>
She has won 8 out of 12 days. Thus, percentage of winning is;
P(winning) = 8/12 * 100%
P(Winning) = 75%
To arrive at 80% winning, it means that the number of extra consecutive games she must win is;
(8 + x)/(12 + x) = 80/100
10(8 + x) = 8(12 + x)
80 + 10x = 96 + 8x
2x = 16
x = 8
Thus, she must win the next 8 consecutive games to get 80%.
For her to get to 50% after that, it means that;
(16 - x)/(20 - x) = 50/100
(16 - x)/(20 - x) = 1/2
2(16 - x) = 20 - x
32 - 2x = 20 - x
x = 12
Read more about Probability of winning at; brainly.com/question/24756209
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Answer:
Balance after the withdrawals and deposit = $52.6Step-by-step explanation:
Savings account balance = $135.10
Total withdraws = $60 + $45 = $105
Deposit = $22.50
Balance after the withdrawals and deposit = Savings account balance + Deposit - Total withdraws
= $135.10 + $22.50 - $105
= $52.6
Answer:
Average speed v = 83.8 km/h
Step-by-step explanation:
Given;
Distance travelled = 95 km
Time taken t = 12.23 - 11.15 = 1 hour 8 minutes
t = 1 + 8/60 hours = 1.133 hours.
Average speed v = distance travelled/time taken
substituting the values;
v = 95 km ÷ 1.133 hours
Average speed v = 83.8 km/h
Total balloons = 48
Red balloons = 16
The odds are 16/48
There is a 1 in 3 chance of you picking a red balloon
I hope this helped!
- Z
