Statistical Real World Phenomena

Statistical Real World Phenomena

12th Grade

10 Qs

quiz-placeholder

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Statistical Real World Phenomena

Statistical Real World Phenomena

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Barbara White

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10 questions

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1.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

In a normal distribution, approximately 95% of the data lies within _ standard deviation of the mean.

2.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

In a normal distribution approximately 95 % of the data lies within 2 _____________________ _______________ of the mean.

3.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

In a normal distribution approximately __% lies within 3 standard deviations of the mean.

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A manager oversees 11 female employees and 9 male employees. They need to pick 3 of thees employees to go on a business trip, so the manager places all 20 names in a hat and chooses at random. Let X = the number of female employees chosen.


Is X a binomial variable? Why or why not?


Choose 1 answer:

Each trial isn't being classified as a success or failure, so X is not a binomial variable.

There is no fixed number of trials, so X is not a binomial variable.

The trials are not independent, so X is not a binomial variable.

The situation satisfies each of the conditions for a binomial variable, so X has a binomial distribution.

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

This is an example of a binomial distribution:


In a game involving a standard deck of 52 playing cards, an individual randomly draws t cards without replacement. Y = the number of aces drawn.

True

False

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

This is an example of a binomial distribution:


60% of a certain species of tomato live after transplanting fro pot to garden. Eli transplants 16 of these tomato plants. Assume that the plants live independently of each other. Let T = the number of tomato plants that live.

True

False

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

This is an example of a binomial distribution:


In a game of luck, a turn consists of a player continuing to roll a pair of six-sided dice until they roll a double (two of the same face-values). Let X = the number of rolls in one turn.

True

False

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