Acoin is flipped 8 times. find the probability of the event:
exactly 8 heads
a. 0.004
b. 1
c. 0.0625
d. 0.109

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

Kilgore trout creates a new scale to diagnose depression. however, his scale only assesses one symptom of depression while ignoring others. which of the following is his new scale most likely lacking? a) test-retest reliability b) discriminant validity c) criterion validity d) alternate-forms reliability e) content validity f) none of the above