Answer:
The expectation is 
Step-by-step explanation:
From the question we are told that
The first offer is 
The second offer is 
The third offer is 
The number of tickets is 
The price of each ticket is 
Generally expectation is mathematically represented as

given that they just offer one
Now
given that they just offer one
Now
given that they offer five
Hence the expectation is evaluated as


Now given that the price for a ticket is 
The actual expectation when price of ticket has been removed is


Answer:its not showing me the picture
Step-by-step explanation:
Answer:
what is the figure
Step-by-step explanation:
Salad and pbj: 24 students
Turkey sandwich and school lunch: 30 students
30
-
24
---------
6
42 times 2 equals 84 degrees