K pick a number between 1-20 and ill give brainliest to whoevers closest

Yo y do yall have 2 stars that means yall wrong bro

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

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).