To find out whether the students really like the school's lunch, the school randomly selects half of the student body to survey about the school's lunch.

Is this sample of students likely to be biased or unbiased?

biased

unbiased

If you need to cut a 3 ft 6 in. piece and a 7 ft 8 in. piece of steel bar, which of the following scrap pieces can be used with the least scrap left over after the cuts? a. 10 ft 6 in. b. 11 ft c. 12 ft 2 in. d. 13 ft 1 in.

The hypotenuse of a right triangle is always opposite from which of the following? A. acute angle B. my right angle C. obtuse angle D. none of the above

Malcom ran the 440-yard and the 220-yard dash at a track meet. There are 3 feet in one yard. How many total feet did Malcom run. estimate first. check for reasonableness

A triangle with side a equals 2 units side b equal 3 units side c equals square root of 13 units. How many units is side c?

Divide 1 by 1000 and round to the whole number

At midnight, the temperature was 34°F. By 6:00 a. m. it had dropped 8°, and by noon it had increased by 11°. What was the temperature at noon?

A golfball is hit from ground level with an initial vertical velocity of 64 ft/s. After how many seconds will the ball hit the ground? a. 3 seconds b. 4 seconds c. 5 seconds d. 6 seconds

The function f (x) = - x2 - 2x + 15 is shown on the graph. What are the domain and range of the function?

Let the test statistic Z have a standard normal distribution when H0 is true. Give the P-value for each of the following situations. (Round your answers to four decimal places.) (a) Ha: μ > μ0, z = 1.73 P-value = (b) Ha: μ < μ0, z = - 2.

Solve the proportion of 8/13=v/8