Purchase Solution

Probabilities with Binomial Distributions

Not what you're looking for?

Ask Custom Question

7) On a very hot summer day, 5% of the production employees at Midland States Steelare absent from work. The production employees are to be selected at random for a special in-depth study on absenteeism.What is the probability of selecting 10 production employee at random on a hot summer day and finding that none of them are absent.

A) 0.002
B) 0.344
C) 0.599
D) 0.100

8) Sponsors of a local charity decide to attract wealthy patrons to its $500 a plate dinner by allowing each patron to buy a set of 20 tickets for the gambling table. The chances of winning in each of these plays is 50-50. If you bought 20 tickets what is the chance of winning 15 or more prizes.

A) 0.250
B ) 0.021
C) 0.006
D) 0.750

9) If the probability of a defective bolt is 0.1 find a) the mean and b) the standard deviation for the distribution of defective bolts in a total of 400.

Purchase this Solution

Solution Summary

Answer to 3 questions on Probability using Binomial Distribution.

Solution Preview

Note: ^ stands for raised to the power of

7) On a very hot summer day, 5% of the production employees at Midland States Steelare absent from work. The production employees are to be selected at random for a special in-depth study on absenteeism.What is the probability of selecting 10 production employee at random on a hot summer day and finding that none of them are absent.

A) 0.002
B) 0.344
C) 0.599
D) 0.100

We use Binomial Distribution
p= 5.00% probability of ...

Purchase this Solution


Free BrainMass Quizzes
Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.