How to solve probabilities

Mathematics

2 answers:

melomori [17]3 years ago

7 0

The probability of each sample point must be equal to 1/2

valina [46]3 years ago

5 0

You can solve many simple probability problems just by knowing two simple rules:

<span> The probability of any sample point can range from 0 to 1.<span> The sum of probabilities of all sample points in a sample space is equal to 1. </span></span>

The following sample problems show how to apply these rules to find (1) the probability of a sample point and (2) the probability of an event.

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How do I work this out???

Finger [1]

Okay so form a right angle triangle and the angle of that is 65 as it is right angle so 90 - 25= 65. label the sides like the pic below.

we have the hypothenuse as well as the angle and we are trying to find the o(opposite side)

o/h =sin
sin 65=23/h
sin 65 = 23/x
23/sin 65=x
x=25.4
how high the kite is above ground is :
= 25.4 +1.2
=26.6

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3 years ago

Mrs. Kim spent $4.77 on her favorite imported cheese. She bought 9/10 of a pound. Find how much cheese cost per pound.

Kruka [31]

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3 years ago

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Romashka [77]

The answer is 2.
3x+2y=3
2x-2y=7
solve both the equations
3x+2y=3
+2x-2y=7
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so we get
x=2

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3 years ago

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tiny-mole [99]

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