A music store has 500 guitar picks. They order 15 boxes with 9 picks each. They sell 19 boxes that have 10 picks each. The store manager says they now have about 450 guitar picks. Is the manager's estimate reasonable?

The manager’s estimate is reasonable. They ordered about 200 picks and sold about 150 picks so they should have about 50 fewer than they started with.

The manager’s estimate is reasonable. They ordered about 150 picks and sold about 200 picks so they should have about 50 fewer than they started with.

The manager’s estimate is not reasonable. They ordered about 200 picks and sold about 150 picks so they should have about 50 more than they started with.

The manager’s estimate is not reasonable. They ordered about 200 picks and sold about 200 picks so they should have about the same number of picks as they started with.

mean, 40.6

step-by-step explanation:

it shoild be o

step-by-step explanation:

step-by-step explanation:

i found the life tables for the year 2012. 

life table of males at age 30. probability of dying between ages x and x+1

total population:  

29–30 . . . . . . . . . . . . 0.001030

30–31 . . . . . . . . . . . . 0.001061

males:  

29–30 . . . . . . . . . . . . 0.001420

30–31 . . . . . . . . . . . . 0.001448

white population

29–30 . . . . . . . . . . . . 0.001005

30–31 . . . . . . . . . . . . 0.001037

white males

29–30 . . . . . . . . . . . . 0.001372

30–31 . . . . . . . . . . . . 0.001399

non hispanic white population

29–30 . . . . . . . . . . . . 0.001083

30–31 . . . . . . . . . . . . 0.001116

non hispanic white males

29–30 . . . . . . . . . . . . 0.001477

30–31 . . . . . . . . . . . . 0.001503

jacob, non hispanic white male. 30 years old.

probability that jacob lives to be 30 years old. 

since the given probabilities are probabilities of dying, i think we simply subtract it from 1 to get the probability of living. we will use the probability of non hispanic white male.

                                          probability of living to be 30 y.o.

29 - 30 : 1 - 0.001477 = 0.998523

30 - 31 : 1 - 0.001503 = 0.998497

a

step-by-step explanation: