Erica knits 18 squares on monday. she knits 7 more squares each day for the rest of the week. how many squares does erica have on friday

the science club has 42 people and the robotics club has 33

step-by-step explanation:

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0