Please Help! Weekly wages ata certain factory are normally distributed with a mean of $400 and a standard deviation of $50. Find the probability that a worker selected at random makes between $250 and $300.​

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?

Which strategy is used by public health to reduce the incidence of food poisoning?

Which of the following represents the factorization of the trinomial below? x^2+7x-30