![thechameleonnaire](/avatars/5366.jpg)
thechameleonnaire
12.08.2020 •
Mathematics
The table shows the probability distribution of student ages in a high school
with 1500 students. What is the expected value for the age of a randomly
chosen student?
Age
13
14
15
16
17
18
Probability 0.01 0.23 0.26 0.28 0.20 0.02
Solved
Show answers
More tips
- L Leisure and Entertainment How to Properly Wind Fishing Line onto a Reel?...
- L Leisure and Entertainment How to Make a Paper Boat in Simple Steps...
- T Travel and tourism Maldives Adventures: What is the Best Season to Visit the Luxurious Beaches?...
- H Health and Medicine Kinesiology: What is it and How Does it Work?...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
Answers on questions: Mathematics
- M Mathematics Which equation finds the area of a square with a side length of 5n4 units...
- M Mathematics What is the vertex of the graph of the quadratic function y = x^2 6x 10? (3, -1) (-3, -1) (-3, 1) (3, 1)...
- M Mathematics Lucy wants to summarize the account values for each of her investments. use the histogram of account values to answer the question that follows. how many investments have a value...
- M Mathematics On mars if you hit a baseball, the height of the ball...
- M Mathematics Convert a fraction to simplest form...
- M Mathematics 55c+13≤75c+39 answer in simplified form...
- M Mathematics What are the coefficients of -20+5p-7z...
- M Mathematics Andy runs 434.56 meters in 62.08 seconds. if andy runs at a constant speed, how far does he run in one second? (also, when i searched the question up it didn t show . )...
- M Mathematics Assume that y varies directly with x. if x=5 when y=-8 find x when y=16...
- M Mathematics Anyone know the answer to this question? ?...
Ответ:
Exoected age is 15.49 years
Step-by-step explanation:
Expected age
= E(x)
= sum (p(i)*i)
= 13*0.01+14*0.23+15*0.26+16*0.28+17*0.20+18*0.02
= 15.49
Ответ:
0
Step-by-step explanation: