![bhjbh7ubb](/avatars/28303.jpg)
bhjbh7ubb
13.03.2020 •
Mathematics
Exercise 8.3. Adam has two brothers, Ben and Chris, and one sister, Daisy. On any given day, Ben calls Adam with probability 0.3, Chris calls Adam with probability 0.4, and Daisy calls Adam with probability 0.7. Let X be the number of siblings that call Adam tomorrow. Find the expectation of X. Hint. Express X as the sum of suitable indicator random variables.
Solved
Show answers
More tips
- H Health and Medicine Headache: A Comprehensive Guide to Treatment...
- G Goods and services Stock center - a modern way of optimizing logistics...
- F Food and Cooking How to Properly Wash a Down Jacket? Tips from Experts...
- C Computers and Internet Thin Client: What It Is and Why You Need It?...
- F Food and Cooking The Most Delicious and Simple Fish in Batter Recipe...
- F Food and Cooking Red Caviar: How to Choose the Best?...
- C Computers and Internet Clearing Cache: How to Speed Up Your Browser...
- S Style and Beauty How are artificial nails removed?...
- S Style and Beauty Secrets of Tying a Pareo: 5 Ways...
Answers on questions: Mathematics
- M Mathematics What is the length of AB? Al-4.3)B(2.3)2-52012.-1)O A. 4 unitsO B. 5 unitsO C. 6 unitsO D. 7 units...
- E English Essay facebook and instagram what is the compare and contrast between facebook and instagram? that’s a question many people ask all the time. having experience both,...
- E English Select all that apply. which of the following statements reflects a bias toward the person accused of a crime? alex baines is not the kind of man who associates...
- M Mathematics Allison is 29 years old and her monthly after-tax salary is $3600. She spends an average of $250 per month on entertainment. The national average, for shose under...
- H History How did the Dawes Act promote assimilation?...
Ответ:
The variables are x and y ; x can represent the number of times Aleah goes swimming ; while y can represents the number of times Aleah goes skating.
b) are there any restrictions on the variables?
The total sum of both activities must be equal or less than $80 a month
c) write a linear inequality to represent this situation
Swimming costs $5 each time and skating costs $4 each time. No more than $80 a month.
5x + 4y < 80
You can graph linear inequality using these coordinates.
x y
16 0
12 5
8 10
4 15
0 20