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3 years ago

Can someone please answer the two questions circled :>

Mathematics

1 answer:

Lady_Fox [76]3 years ago

3 0

Answer:

For question 2 the slope is 1. So what you do is get the points you need to put on the graph and move them up one. Like how you did on question 1.

(0.5, 5) (1, 10) (1.5, 15) (2, 20) (2.5, 25)

Question 3 is the same thing but the slope is now 2. Then you would have to pin the points as...

(1, 2) (2, 4) (3, 6) (4, 8) (5, 10)

Hope this helped :)

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3 years ago

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3 years ago

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$\text{Answer: a) }P(\text{ getting an orange )}=\frac{7}{20}$

b) Blue color had an experimental probability that matched its theoretical probability.

Explanation:

Since we have given that

Number of times this spinner is spinned = 60

Number of times black occur = 17

Number of times blue occur = 15

Number of times orange occur = 21

Number of times purple occur = 7

a) So, Experimental probability of a spin of orange is given by

$P(\text{ getting an orange }=\frac{\text{ Number of times orange occur}}{\text{total number of times the spinner spins}}\\\\P(\text{ getting an orange})}=\frac{21}{60}=\frac{7}{20}$

b) which color had an experimental probability that matched its theoretical probability.

According to theoretical probability ,

Every event must have equal probability, i.e. $\frac{1}{4}$

And,

$P(\text{ getting blue color)}=\frac{15}{60}=\frac{1}{4}$

So, Blue color had an experimental probability that matched its theoretical probability.

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