A data survey representative calls phone numbers selected at random until someone answers the call. Each call has a 0.22 probability of someone answering it. Let N be the number of phone numbers the representative calls
until someone answers.
What type of variable is N?
Choose 1 answer
Binomial
B
Geometric
Neither
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Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%