Answer:
B
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Adjacent means sharing a common edge or leg so here PTN is adjacent to PTS
Answer:
Value of x is, 8
Step-by-step explanation:
Given: 
,.....[1]
To find the value of x:
Using exponent rules:
Taking square both sides in [1] we have;
Simplify:
or
Multiply both sides by 
we get;
Simplify:
or
Simplify:
x = 8
Therefore, the value of x is, 8
Answer:
Let X be the number of times the target is hit. The probability P(X≥1) then equals 1 minus the probability of missing the target three times:
P(X≥1) = 1− (1−P(A)) (1−P(B)) (1−P(C))
= 1−0.4*0.3*0.2
= 0.976
To find the probability P(X≥2) of hitting the target at least twice, you can consider two cases: either two people hit the target and one does not, or all people hit the target. We find:
P(X≥2)=(0.4*0.7*0.8)+(0.6*0.3*0.8)+(0.6*0.7*0.2)+(0.6*0.7*0.8) = 0.788
Step-by-step explanation:
