Which of the following are examples of functions? Select all that apply. A. The assignment of members of a soccer team to jersey number.
B. The assignment of eye color to a person.
C. The assignment of letter grades (A, B, C, D, F) to a student.
D. The assignment of a student in Algebra to a letter grade.
E . The assignment of integers to twice its value.

This is different from the first one can someone me

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).

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50