Which description is paired with its correct expression?
o
seven less than the quotient of two and a number squared, increased by six:
7 +8
okm
nine times the difference of a number cubed and three
2
o
eight more than the quotient of a number squared and four decreased by seven; 0+
en, 84
o twice the difference of a number cubed and eight

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.