If you observe the 4 graphical representations you will see that except stem and leaf plot, the rest 3 represent the same information.

As the time is increasing, the frequency of students who listen to music is decreasing. The frequency is maximum for the first group 0 - 1 and least for the last group 6 - 7.

The ranges shown in both Frequency Table and Histogram are the same.

So, the following options are correct:
<span>B) One of the displays does not show the same information as the others.
C) The first three displays show that as time increases, frequency decreases.</span>

5 0

3 years ago

A credit card company requires that its customers choose a 3 digit, numerical code to access their online account. Each digit sh

Citrus2011 [14]

Given :

A credit card company requires that its customers choose a 3 digit.

Each digit should be chosen from 0, 1, 2, 3, 4, 5, 6, 7, 8 or 9.

So there are 10 possibilities for each digit.

To Find :

How many different three digit codes are there.

Solution :

We know, possibility of choosing each digit is 10.

So, total number of three digit codes are :

$T=10\times 10\times 10\\\\T=1000$

Therefore, their are 1000 different three digit codes.

Hence, this is the required solution.

4 0

3 years ago