Statistics Problems, I don't understand what this means.. P(A)=0.46 and P(B)=0.42
If P(B∣A)= 0.174
what is P(A∩B)?

One may recall that
$$
P(B|A)=\frac{P(A\cap B)}{P(A)}
$$ giving
$$
P(A\cap B)=P(A)\times P(B|A)
$$Here you then have
$$
P(A\cap B)=0.46\times 0.174=0.08004.
$$
