The mean score for a normally distributed math test was 68% and the standard deviation was 8,2%. One student received a Z score of- 0.48. What was the percent score she received for the test?
If a box contains 11 hats, out of which 6 are red hats and 5 are green hats. If two hats are to be selected at random without replacement, what is the probability that at least one green hat will be selected?
If the 2020 Census is anonymous and are only used to produce statistics, how does it remain anonymous? Are the statistics produced by people or computers?
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