Jason and Eric conduct a survey on the favorite video game of all middle school-aged students. Which population produces the most valid results for the survey? a surveying every 5th student who walks into school in the morning
b surveying every other student in the 8th grade
c surveying all 7th grade boys
d surveying every girl who plays video games

Im literally having a mental breakdown

Identify the number 127 as a rational or irrational. explain

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).