Determine if the following event is mutually exclusive: Roll and Die: Get a prime number or get an even number

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).

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.