What is the probability that a value picked at random from the standard normal distribution will be between -1.96 and 1.96?
1 answer:
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Answer:
Step-by-step explanation:
Using the rule of radicals
×
⇔
Simplifying the radicals
=
=
×
= 2
=
=
×
= 3
Thus
- 6(2) + 2(3
) + 7
= - 12 + 6
+ 7
=
Given :
An equation, 2cos ß sin ß = cos ß .
To Find :
The value for above equation in (0, 2π ] .
Solution :
Now, 2cos ß sin ß = cos ß
2 sin ß = 1
sin ß = 1/2
We know, sin ß = sin (π/6) or sin ß = sin (5π/6) in ( 0, 2π ] .
Therefore,
Hence, this is the required solution.