Questions by Elcharrua

Questions by Elcharrua

If a couple has three children, let x represent the number of girls. what is the probability that the couple does not have boys for all three children?

asked May 24, 2019

1 answer

3 votes

197k views

Andy's average driving speed for a 4-hour trip was 45 miles per hour. during the first 3 hours he drove 40 miles per hour. what was his average speed for the last hour of his trip?

asked Jan 19, 2019

1 answer

5 votes

79.5k views

What are the units of speed or velocity

asked Feb 21, 2018

2 answers

3 votes

22.9k views

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