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1 answer:
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Answer:
and
Step-by-step explanation:
It is given that the normal body temperature is .
A temperature 'x' that differs from normal by at least is considered unhealthy. So the inequality to represent such situation is,
It can be further written as,
and
and
and
So the inequality to represent such condition is and
.
Answer:
a.
b.
c.
d.
Step-by-step explanation:
Given that there are two laptop machines and four desktop machines.
On a day, 2 computers to be set up.
To find:
a. probability that both selected setups are for laptop computers?
b. probability that both selected setups are desktop machines?
c. probability that at least one selected setup is for a desktop computer?
d. probability that at least one computer of each type is chosen for setup?
Solution:
Formula for probability of an event E can be observed as:
a. Favorable cases for Both the laptops to be selected = = 1
Total number of cases = 15
Required probability is .
b. Favorable cases for both the desktop machines selected =
Total number of cases = 15
Required probability is .
c. At least one desktop:
Two cases:
1. 1 desktop and 1 laptop:
Favorable cases =
2. Both desktop:
Favorable cases =
Total number of favorable cases = 8 + 6 = 14
Required probability is .
d. 1 desktop and 1 laptop:
Favorable cases =
Total number of cases = 15
Required probability is .