A researcher carried out a diagnostic study on 150 people, 90 of whom had been diagnosed with renal disease and 60 who were known to be healthy, to evaluate how well a diagnostic test works to detect renal disease. the results of the experiment are shown in the table below.

4

step-by-step explanation:

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

the number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.