Blood type ab is found in only 3% of the population†. if 310 people are chosen at random, find the probability of the following. (use the normal approximation. round your answers to four decimal places.) (a) 5 or more will have this blood type (b) between 5 and 10 will have this blood type

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)