The population of a city has been increasing by 2% annually. The sign shown is from the year 2000.

Mathematics

1 answer:

Fofino [41]3 years ago

5 0

The population will be about 2972 population in 2020

<h3>Exponential functions </h3>

The standard exponential equation is expressed as;

y = ab^x

where

a is the intercept
b is the initial population
x is the time

Given the following parameters

a = 2000
b = 0.02

Substittute the given parameters into the formula

y = 2000(1.02)^x

If x = 20 (from 2000 to 2020)

The population will be expressed as;

y = 2000(1.02)^20

y = 2972 populations

Hence the population will be about 2972 population in 2020

Learn more on exponential functions here; brainly.com/question/12940982

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Probability that a customer pays the bill by mail, given that the customer is female is 0.20.

Step-by-step explanation:

The complete question is:

Online By Mail Total

Male 12 8 20

Female 24 6 30

Total 36 14 50

A utility company asked 50 of its customers whether they pay their bills online or by mail. What is the probability that a customer pays the bill by mail, given that the customer is female.

Probability that a customer pays the bill by mail, given that the customer is female is given by = P(Pays bill by mail / Customer is female)

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