A fish hatchery has three tanks for holding fish before they are introduced into the wild. Ten fish weighing less than 5 ounces are placed in tank A. Eleven fish weighing at least 5 ounces but no more than 13 ounces are placed in tank B. Twelve fish weighing more than 13 ounces are placed in tank C. Which of the following could be the median of the weights, in ounces, of these 33 fish?
277 items match · Math · Problem-Solving and Data Analysis
In State X, Mr. Camp’s eighth-grade class consisting of 26 students was surveyed and 34.6 percent of the students reported that they had at least two siblings. The average eighth‑grade class size in the state is 26. If the students in Mr. Camp’s class are representative of students in the state’s eighth-grade classes and there are 1,800 eighth-grade classes in the state, which of the following best estimates the number of eighth‑grade students in the state who have fewer than two siblings?
For quality control, a company that manufactures lightbulbs conducted five different trials. In each trial, 500 different lightbulbs were tested. The bar graph above shows the number of defective lightbulbs found in each trial. What is the mean number of defective lightbulbs for the five trials?
What number is greater than ?
is of . What is the value of ?
During a sale, the original prices of all the items in a clothing store have been reduced by 20%. What is the sale price of a jacket with an original price of $50 ?
A competition consisted of four different events. One participant completed the first event with an average speed of miles per hour. What was this average speed, in yards per hour?
The mean of the list of numbers above is what fraction of the sum of the five numbers?
The scatterplot above shows the high temperature on a certain day and the elevation of 8 different locations in the Lake Tahoe Basin. A line of best fit for the data is also shown. Which of the following statements best describes the association between the elevation and the temperature of locations in the Lake Tahoe Basin?
A gift shop buys souvenirs at a wholesale price of dollars each and resells them each at a retail price that is of the wholesale price. At the end of the season, any remaining souvenirs are marked at a discounted price that is off the retail price. What is the discounted price of each remaining souvenir, in dollars?
The scatterplot above shows the size x and the sale price y of 25 houses for sale in Town H. Which of the following could be an equation for a line of best fit for the data?
For a particular machine that produces beads, out of every beads it produces have a defect. A bead produced by the machine will be selected at random. What is the probability of selecting a bead that has a defect?
A bag contains a total of 60 marbles. A marble is to be chosen at random from the bag. If the probability that a blue marble will be chosen is 0.35, how many marbles in the bag are blue?
The scatterplot shows the relationship between two variables, and . A line of best fit for the data is also shown.
- The scatterplot has 11 data points.
- The data points are in a linear pattern trending down from left to right.
- A line of best fit is shown:
- The line of best fit slants down from left to right.
- 6 points are above the line of best fit.
- 5 points are below the line of best fit.
- The line of best fit goes through the following approximate coordinates:
- (28 comma 6)
- (33 comma 1.5)
At , which of the following is closest to the y-value predicted by the line of best fit?
To estimate the proportion of a population that has a certain characteristic, a random sample was selected from the population. Based on the sample, it is estimated that the proportion of the population that has the characteristic is , with an associated margin of error of . Based on this estimate and margin of error, which of the following is the most appropriate conclusion about the proportion of the population that has the characteristic?
A store manager reviewed the receipts from 80 customers who were selected at random from all the customers who made purchases last Thursday. Of those selected, 20 receipts showed that the customer had purchased fruit. If 1,500 customers made purchases last Thursday, which of the following is the most appropriate conclusion?
Andrew and Maria each collected six rocks, and the masses of the rocks are shown in the table above. The mean of the masses of the rocks Maria collected is 0.1 kilogram greater than the mean of the masses of the rocks Andrew collected. What is the value of x ?
In a study, the data from a random sample of a population had a mean of 37, with an associated margin of error of 3. Which of the following is the most appropriate conclusion that can be made about the population mean?
What is of ?
Over this 5-day period, which of the following is NOT equal to 81°F?
| Angel Cruz | |
|---|---|
| Terry Smith |
The table shows the results of a poll. A total of voters selected at random were asked which candidate they would vote for in the upcoming election. According to the poll, if people vote in the election, by how many votes would Angel Cruz be expected to win?
The number of penguins in a zoo exhibit, sorted by gender and type of penguin, is shown in the table above. Which type of penguin has a female population that is the closest to being of the total female penguin population in the exhibit?
The table above shows the number of students from two different high schools who completed summer internships in each of five years. No student attended both schools. Which of the following statements are true about the number of students who completed summer internships for the 5 years shown?
- The mean number from Foothill High School is greater than the mean number from Valley High School.
- The median number from Foothill High School is greater than the median number from Valley High School.
For , the function is defined as follows:
equals of
Which of the following could describe this function?
There are buttons in a bag: white buttons, orange buttons, and brown buttons. If one of these buttons is selected at random, what is the probability of selecting a white button?