answersLogoWhite

0

🎒

Statistics

Statistics deals with collecting, organizing, and interpreting numerical data. An important aspect of statistics is the analysis of population characteristics inferred from sampling.

36,756 Questions

How does the probability theory apply to statistics?

Statistics is the study of how probable an observed event is under a set of assumptions about the underlying probability distribution.

What is the probability of getting a sum of 5 or less at least once on 3 rolls of a pair of fair dice?

Pr(a sum ≤ 5 at least once in 3 rolls of 2 dice)

= 1 - Pr(a sum ≤ 5 never appears in 3 rolls of 2 dice)

= 1 - Pr(a sum ≤ 5 does not appear in a roll of 2 dice)3

= 1 - Pr(a sum > 5 appears in a roll of 2 dice)3 = 1 - (26/36)3

= 1 - (13/18)3 = 1 - 2197/5832 = 3635/5832 = 62.3% approx.

What is the most popular boy baby name?

"Jacob" has been the most popular for the last few years, undoubtedly due to the twilight movies.

How many feet are there in 5 kilometres?

There are 0.0003048 kilometres in one foot. Therefore, rounded to two decimal places, 5 kilometres is equal to 5/0.0003048 = 16404.20 feet.

Who are two celebrities that share the same birthday?

I bet there are millions more out there who share the same, but for two that I know, it's Chris Rock and Ashton Kutcher on February 7.

Why mode median mean starts with m?

Also mathematics, middle, metric, measurement and meter. Metricus in Latin is to measure.

What will be the probable outcome of the town's new policy?

The town will save about 44 million gallons of water each year.

What is 1500 over 4266 as a percentage?

Expressed as a percentage, rounded to two decimal places, 1500/4266 x 100 = 35.16 percent.

What do mathematics horizon and expand students' mathematics horizon mean?

Your matematics horizon is how much you know about mathematics. For example, do you know much arithmetic? Can you divide 4526 by 254? Do you know what geometry is and what is algebra? Do you know Pythagoras's Theorem. Can you do calculus and can you integrate expressions using LaPlace Transforms?

How you answer questions like this shows your mathematical horizon.

A good teacher or a good effort to buy books and study things will broaden your mathematics horizon.

When Two coins are tossed what is the probability of a or b happening?

This question can be rather easily answered,

as soon as outcomes 'a' and 'b' are defined.

What is 278 over 21610 as a percentage?

Expressed as a percentage, rounded to two decimal places, 278/21610 x 100 = 1.29 percent.