P(basketball) =
P(baseball and basktball) =
We have to find the probability that a student plays baseball given that he or she plays basketball.
This is the case of Conditional Probability, whose formula is given as follow:
Now,
=
Answer:
round
Step-by-step explanation:
hope I helped
To find this answer, divide 6 by 3/4 or 0.75. From this you get 8. It would take 8 days to paint six houses.
Answer:
The minimum score required for an interview is 73.4.
Step-by-step explanation:
Problems of normally distributed samples are solved using the z-score formula.
In a set with mean and standard deviation , the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this problem, we have that:
If test scores are normally distributed, what is the minimum score required for an interview?
Top 25%, which is at least the 100-25 = 75th percentile, which is the value of X when Z has a pvalue of 0.75. So it is X when Z = 0.675.
The minimum score required for an interview is 73.4.