1. a computer system uses passwords that contain exactly eight characters, and each character is one of the 26 lowercase letters (a-z), or 26 uppercase letters (a-z) or 10 integers (0-9). let ω denote the set of all possible passwords, and let a and b denote the events that consist of passwords with only letters or only integers, respectively. suppose that all passwords in ω are equally likely. determine the following probabilities: (a) p(a|b′) (b) p(a′ ∩b)

it should be a and d. lmk if i'm wrong xd

answer: hey there,

the answer you are looking for is a..

hope this you!

60°

step-by-step explanation:

the measure angle of c in an isosceles triangle abc is 60° because in isosceles triangle,the measures of all the angles is 60°.

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720