Lesquirrel
03.08.2019 •
Mathematics
Probability distribution part 2
Solved
Show answers
More tips
- F Food and Cooking 10 Ideas for a Wedding Anniversary Gift...
- H Health and Medicine Hangover: How to Get Rid of It Quickly?...
- S Style and Beauty How to Choose the Right Fur Coat and Avoid Regrets?...
- C Computers and Internet How to Create a Folder on Your iPhone?...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
Answers on questions: Mathematics
- M Mathematics What are the x-intercept and y-intercept of the line passing through (0,-3) and (5,0)...
- M Mathematics Using your knowledge of inverse operations, what does 56 - 25 - 56 equal?...
- M Mathematics I really need help please....
- M Mathematics What is n times 7 what does it equals...
- M Mathematics 21) Find the area of a parallelogram with base of 16 Inches and a height of 11 inches...
- M Mathematics Find the absolute maximum and minimum of the function on the given domain. f (x comma y )equals 8 x squared plus 7 y squared on the closed triangular plate bounded by the lines x...
- M Mathematics Prove that if a penguin walking in the plane has position vector always orthogonal to its velocity, then it is moving along a circular path. (Hint: consider the dot product of position...
- M Mathematics A study of consumer smoking habits includes 186 people in the 18-22 age bracket (42 of whom smoke), 124 people in the 23-30 age bracket (40 of whom smoke), and 99 people in the 31-40...
- M Mathematics An elevator moves at the constant speed of 2 m/s for most of its journey. Estimate the time to travel up a 12-story building in this elevator....
- M Mathematics Each serving of fruit punch is 250 millimeters how many servings of punch are there in 20 liters...
Ответ:
b. -0.862
Step-by-step explanation:
The only answer choice with a minus sign is B, which is the correct choice.
When the value of interest is below the mean (2800 is below 3550), the z-score will be negative:
z = (2800 -3550)/870 = -750/870 ≈ -0.86207 ≈ -0.862
As always, z is computed as ...
Z = (X -μ)/σ
Ответ: