Wilma and Betty are playing a number game. Wilma tells Betty, "I'm thinking of a number between 1 and 10. If I take the number a
1 answer:
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<u>Answer: </u>
Johnny could play video games in 40 minutes.
<u>Explanation:</u>
Given:
Johnny played video games in an hour
=
To Find:
Video games Jonny can play in 40 minutes =?
Solution:
number of videos games Jonny can play in 1 hour = =
And as 1 hour = 60 minutes ,
So number of videos games Jonny can play in 60 minutes =
=> Videos games Jonny can play in 1 minute =
=>
=>
=> Videos games Jonny can play in 40 minute = 40 x Videos games Jonny can play in 1 minute
=> Videos games Jonny can play in 40 minute =
=> =
Hence Johnny could play video games in 40 minutes.
Answer:
First Winner Getting white box =
Second Winner Getting white box =
Both getting the white box =
Step-by-step explanation:
Number of available colors = 4
Number of boxes of each color = 10
So total boxes available = 40
Number of white boxes = 10
Probability is defined as the ratio of favorable outcomes to total possible outcomes. In this case, getting a white box is favorable outcome, so number of favorable outcomes is 10 and total possible boxes are 40. So,
Probability that first winner will receive a white box =
After the first winner has been given his box, there are 39 total boxes remaining with 9 white boxes. So,
Probability that second winner will receive a white box =
The probability that both the winners will receive the white boxes will be the product of their individual probabilities i.e.
Probability that the first winner receiving a white box and the second winner also receiving a box of the same color =