One of the planets in the Andromeda galaxy, XNP29, has a surface temperature of 120◦K and is hotter than 33% of the planets in the galaxy. The surface temperatures of the planets in the galaxy follow a normal distribution with a standard deviation of 20◦K. (a) Find the average surface temperature of the planets in the Andromeda galaxy. (b) R2D2, a surface surveying robot that cannot operate at temperatures below 180◦K, can be sent for surface investigation to about how many of the 10 billion planets in the Andromeda galaxy?  explaining them to someone who does not know anything about the subject

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

One of the planets in the Andromeda galaxy, XNP29, has a surface temperature of 120◦K and is hotter than 33% of the planets in the galaxy. The surface temperatures of the planets in the galaxy follow a normal distribution with a standard deviation of 20◦K.
(a) Find the average surface temperature of the planets in the Andromeda galaxy.

(b) R2D2, a surface surveying robot that cannot operate at temperatures below 180◦K, can be sent for surface investigation to about how many of the 10 billion planets in the Andromeda galaxy?

 explaining them to someone who does not know anything about the subject

Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman