When did albert einstein become extinct??

Ineed with number 6 , explain how to get 1978

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.