The binomial expansion 625x4 - 7,500x3 + 33,750x2 - 67,500x + 50,625 can be expressed as (ax + b)^. What is the value of b?

What term best describes a line ans a point that lie in the same plane

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

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).