3.1 Area under the curve, Part I: Find the probability of each of the following, if Z~N(μ = 0,σ = 1). (please round any numerical answers to 4 decimal places)

a) P(Z < -1.35) =

b) P(Z > 1.48) =
0.069

c) P(-0.4 < Z < 1.5) =

d) P(| Z | >2) =

Can someone check if i did this correct. it’s number 4 if you’re wondering.

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20