Answer: -13, -17, -21
Explanation: Subtract 4 from each term. Do this for 3 terms
Let x be a random variable representing the length of a text messaging conversation, then
P(x > 3) = 1 - P(x < 3) = 1 - P(z < (3 - 2)/0.5) = 1 - P(z < 2) = 1 - 0.97725 = 0.02275
Answer:
B - 10c
Step-by-step explanation:
Let B be the initial balance
And c be the cost of each trip
Her balance would be:
B - 10c