# Statistics - math word problems

#### Number of problems found: 303

- Statistics

The sum of all deviations from the arithmetic mean of the numerical sequence 4, 6, 51, 77, 90, 93, 95, 109, 113, 117 is: - Sales

From statistics of sales goods, item A buy 51% of people and item B buys 59% of people. What is the probability that from 10 people buy 2 item A and 8 item B? - Harmonic HM example

Harmonic means of 4 and 8. - Harmonic 4

Harmonic mean of -6 and 5. - Numbers

Find number on thenumber line that has same distance from this numbers: - Harmonic mean

Harmonic means of 6 and 12 - Average

Average of 5 numbers is 108. What is its sum? - Dice

We throw five times the dice. What is the probability that six fits exactly twice? - Insert 7

Insert five harmonic means between 3 and 18 - Insert AP member

Insert arithmetic means between 75 and 180. - HP - harmonic progression

Determine the 10th term of the harmonic progression 6,4,3,… - Average

The arithmetic mean of the two numbers is 71.7. One number is 5. Calculate the second number. - Find the mean

Find the number between 13 and 29. - Dice

We throw 10 times a play dice, what is the probability that the six will fall exactly 4 times? - Doctors

The drug successfully treats 90% of cases. Calculate the probability that he will cure at least 18 patients out of 20? - Reciprocal

What is the reciprocal of the sum of the reciprocals of 4 and 9? - In center

What number lies in the center between a quarter of a fifth and a half of a third on the number axis? - Insert 6

Insert four harmonic means between 3/7 and 3/19 - Holidaymakers

A total of 94270 holidaymakers spent part of their holiday in 50 hotels a year. On average, how many vacationers are there for one hotel? - Midpoint 6

FM=8a+1, FG=42, a=? Point M is the midpoint of FG. Find unknown a.

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