Members of a gym were surveyed about what kind of training they do. Each responder only did one kind of training and the results are given in the following table:
Find the total number of gym members surveyed.
Find the number of members who do weight training.
Find the percentage of the gym members who do weight training.
| Cardio | Weight | |
|---|---|---|
| Male | 12 | 26 |
| Female | 44 | 18 |
A survey on smoking was conducted and the results are given in the table below:
Find the number of the people surveyed who were smokers.
Find the percentage of women who were nonsmokers? Round your answer to two decimal places.
Find the percentage of nonsmokers who were women. Round your answer to two decimal places.
| Smokers | Nonsmokers | |
|---|---|---|
| Men | 35 | 79 |
| Women | 56 | 139 |
The departure timing of flights out of an airport for the months of May and June are described in the given table:
Find the percentage of the flights in June that were delayed. Round your answer to one decimal place.
Find the percentage of the flights in June that were on time. Round your answer to one decimal place.
What fraction of the total number of flights during the two months were ones that departed on time in May?
| Departed on time | Delayed | |
|---|---|---|
| May | 144 | 21 |
| June | 116 | 40 |
Two motels promoted packages for one night and two night stays. The following table records the results:
Find the percentage of the stays that are two night stays. Round your answer to two decimal places.
What fraction of the two night stays was in Motel X?
Find the percentage of the total accommodation that is in Motel X. Round your answer to two decimal places.
| One night stay | Two night stays | |
|---|---|---|
| Motel X | 463 | 266 |
| Motel Y | 804 | 817 |
Dave surveyed all the students in Year 12 at his school and summarised the results in the following table:
| Play netball | Do not play netball | Total | |
|---|---|---|---|
| \text{Height} \geq 170 \text{ cm} | 46 | 73 | 119 |
| \text{Height} < 170 \text{ cm} | 20 | 39 | 59 |
| \text{Total} | 66 | 112 | 178 |
Find the percentage of Year 12 students whose height is less than 170 \text{ cm} that play netball. Round your answer to two decimal places.
What fraction of the students from Year 12 do not play netball?
Thirty-six students were asked whether or not they were allergic to nuts and dairy. The two way table is provided below:
| Allergic to nuts | Not allergic to nuts | |
|---|---|---|
| Allergic to dairy | 10 | 6 |
| Not allergic to dairy | 6 | 14 |
How many students are allergic to nuts?
How many students are allergic to nuts or dairy, or both?
How many students are allergic to at most one of the two things?
When people were asked if they found certain kinds of food addictive, the relative frequency of their responses was recorded:
| Addicted to caffeine | Not addicted to caffeine | |
|---|---|---|
| Addicted to sugar | 0.3 | 0.3 |
| Not addicted to sugar | 0.3 | 0.1 |
If one responder is chosen randomly, what is the probability that they find at least one of the two addictive?
If 90 people took part in the survey, how many found at least one of the products not addictive?
In a study, some people were asked how many times they lie in a day. 20 responders said they lie at least once a day, of which 5 were children. 15 children said they never lie, and 15 adults said they never lie.
Complete the given table.
What proportion of responders said they have never lied?
What proportion of adults said they had lied at least once?
| \text{0 times} | \text{1 or more times} | |
|---|---|---|
| Children | ||
| Adults |
A total of 150 tennis players were asked whether they would support equal prize money for the women’s and men’s draw.
Find the missing value in the table.
How many more players are there in support of equal prize money than those against it?
Find the percentage of the male tennis players who support equal prize money. Round your answer to one decimal place.
| Support | Do not support | |
|---|---|---|
| Males | 35 | |
| Females | 66 | 12 |
In a biology study, the appearance of an animal when carrying a certain gene is recorded. Assume that all animals must cary Gene A or Gene B but not both.
If, out of all the animals, the proportion carrying Gene A and having light fur is \dfrac{4}{19}, find the value of x.
| Gene A | Gene B | |
|---|---|---|
| Light fur | 36 | 37 |
| Dark fur | 28 | x |