In a class of 27 students, 18 are female and 8 have an A in the class. There are 2 students who are female and have an A in the class. What is the probability
that a student chosen randomly from the class has an A?

Solutions for 2x+7 less than or equal to 3x-5

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?