The product of four numbers, a,b,c,d, is a negative number. The table shows on combination of positive and negative signs of the
four number that could produce a negative product. Complete the table to show the seven other possible combinations.
1 answer:
You might be interested in
Answer:
And using this formula we have this:
Then we can conclude that the probability that that a person waits fewer than 11 minutes is approximately 0.917
Step-by-step explanation:
Let X the random variable of interest that a woman must wait for a cab"the amount of time in minutes " and we know that the distribution for this random variable is given by:
And we want to find the following probability:
And for this case we can use the cumulative distribution function given by:
And using this formula we have this:
Then we can conclude that the probability that that a person waits fewer than 11 minutes is approximately 0.917