Answer:
c
Step-by-step explanation:
consumers purchase an item that exceeds their available account balance.
Answer:
Step-by-step explanation:

<u>Step-by-step explanation:</u>

Answer:b
Omnivore and predator
Step-by-step explanation:
In the binomial expansion of (0.30+0.70)²⁰ the coefficient is ²⁰C₁₀=184756 for x=10 and we have 0.30¹⁰×0.70¹⁰ for the pq values where q=1-p. This comes to about 0.03. So the statement p(x=10)=0.50 is false, answer b.