![amandafutch24](/avatars/41169.jpg)
amandafutch24
17.07.2019 •
Mathematics
Scores obtained by students in an advanced placement test has a mound shaped (normal)distribution with a mean of 70 and a standard deviation of 10. the approximate proportion of students whose scores are above 90 points is close to
Solved
Show answers
More tips
- L Leisure and Entertainment What to Bring on a Hike? Essential Items to Pack for a Safe and Enjoyable Adventure...
- S Style and Beauty How Are Eyelash Extensions Applied? All Your Questions Answered...
- F Family and Home Tender Care for Your Parquet: Is it Possible to Clean Parquet?...
- S Society and Politics Is It Fact or Fiction? Let s Talk About Anton Chekhov s Pseudonym...
- S Sport Playing Bowling: Rules and Advice for Novices...
- C Computers and Internet How to Properly Repartition a Hard Drive?...
- A Auto and Moto What Is the Cost of Customs Clearance for a Car in Russia?...
- L Leisure and Entertainment Should You Buy a Ceramic Knife?...
- C Computers and Internet How to easily and quickly disable Firebug in Gmail and Google Docs...
- G Goods and services How to sew a ribbon: Tips for beginners...
Answers on questions: Mathematics
- M Mathematics 3√x -2/x^2please show step by step of differentiation before combining the terms....
- M Mathematics 101 * 62 to the 4th power in word form, scientific notation, and result...
- M Mathematics Which of the following points must the graph of the linear equation y = 7x pass through to represent a direct variation? (1, 1) (0, 1) (0, 0) (1, 0)...
- M Mathematics Percent increaseexample 1: ann works in a supermarket for $10.00 per hour. if her pay is increased to $12.00, then what is her percent increase in pay? analysis: when finding the...
- M Mathematics Exercise 1 (sw chapter 5): suppose that a researcher, using wage data on 250 randomly selected male workers and 280 female workers, estimates the ols regression wage= 12.52 + 2.12...
- M Mathematics You mix the letters m,a,t,h,e,m,a,t,i,c,a and l thoroughly without looking you draw one letter probability p(a) . write the probability as: a. a fraction in simplest form b. a decimal...
- M Mathematics Jim has three times as many books as charles. charles has 2/3 the amount of books as bob. bob has 27 books. how many books does jim have?...
- M Mathematics If you are a driver under 21 with a breath or blood alcohol level of .05 or higher, what will you be required to do...
- M Mathematics When you have 6 divided by five ninths you put a 1 over the 6 then 1 sixth times 5 ninths which is 5 over 54 how do you simplify that...
- M Mathematics 2.12 + 42 + 72 + + (3n - 2)2 = quantity n times quantity six n squared minus three n minus one all divided by two...
Ответ:
P(x>20)=1-P(z<Z)
where:
z=(x-μ)/σ
where:
x=90
μ=70
σ=10
z=(90-70)/10
z=2
P(z<2)=0.9772
hence
P(x>90)=1-0.9772=0.0228
Ответ:
easy
Step-by-step explanation: