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viva [34]
2 years ago
9

A scientist hopes to launch a weather balloon on one of the next three mornings. For each​ morning, there is a 40​% chance of su

itable weather. What is the probability that there will be at least one morning with suitable​ weather?
SOMEONE PLEASE HELP ME.
Mathematics
1 answer:
MakcuM [25]2 years ago
8 0

Answer:

118/125

Step-by-step explanation:

We can find first the probability that there isn’t suitable weather:

60/100 * 60/100 * 60/100 = 3/5 * 3/5 * 3/5 = 27/125

now we have just to do this operation

125/125 - 27/125 = 118/125

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In 2010, the number of houses built in Town A was 25 percent greater than the number of houses built in Town B. If 70 houses wer
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Answer:

The number of houses built in Town B is 56.

Step-by-step explanation:

We are given that in 2010, the number of houses built in Town A was 25 percent greater than the number of houses built in Town B.

Also, 70 houses were built in Town A during 210.

Let the number of houses built in Town B be 'x'.

So, according to the question;

Number of houses built in Town A = Number of houses built in Town B + 25% of the houses built in Town B

70 = x + (25\% \times x)

70 = x(1+0.25)

x=\frac{70}{1.25}

x = 56

Hence, the number of houses built in Town B is 56.

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Infinite solutions

Step-by-step explanation:

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