# Statistics - math word problems

#### Number of problems found: 303

- Center

Calculate the coordinates of the center of gravity T [x, y] of triangle ABC; A[11,4] B[13,-7] C[-17,-18]. - Insert 5

Insert five harmonic means between 1/2 and 1/26 - Family

94 boys are born per 100 girls. Determine the probability that there are two boys in a randomly selected family with three children. - Harmonic series

Insert four members between 5/3 and 5/11 to form harmonic series (means). - The midpoint

The midpoint of (2, 5) and (8, y) is (5, -1). Find the line equation in slope-intercept form. - Flowerbed

Ondra digs the bed in 20 minutes. Cuba in 30 minutes. For how long do they dig together? - Convalescent homes

In 270 convalescent homes, 94,270 vacationers spent part of the holiday a year. On average, how many vacationers per convalescent home? - MG=7x-15,

MG=7x-15, FG=33, x=? Point M is the midpoint of FG. Find unknown x. - AVG of INT

What is the average of the integers from 9 throuht 52 inclusive? - Working together

One worker performs work in 3 days, the second in 5 days. How much do they work together? - Distance of numbers

Which number has the same distance from the numbers -5.65 and 7.25 on the numerical axis? - Records

Records indicate 90% error-free. If 8 records are randomly selected, what is the probability that at least 2 records have no errors? - MPG

252 miles a week fills up twice a week. Each fill is 38 gallons. What is gas mileage of the car? - Seeds

The germination of seeds of a certain species of carrot is 96%. What is the probability that at least 25 seeds out of 30 will germinate? - The sum

The sum of the first 10 members of the arithmetic sequence is 120. What will be the sum if the difference is reduced by 2? - Playing cards

From 32 playing cards containing 8 red cards, we choose 4 cards. What is the probability that just 2 will be red? - 5 people

Five people have $122000 each, and one person has $539000. How much should each person (equally) pay? - Find midpoint

FM=5y+13, MG=5-3y, FG=? M is the midpoint of FG. Use the given information to find the missing measure or value. - Statistics quiz

Fill in the missing word 1. in a data set, the mean, median and mode are measured of ________________ 2. "The manipulation of variables under controlled conditions"is the data collection method known as______________ 3. in a normal distribution, the area - Harmonic mean

If x, y, z form a harmonic progression, then y is the harmonic mean of x and z. Find the harmonic mean of the numbers 6 and 5.

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