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Vikentia [17]
2 years ago
11

loly beought a bag of hummy bears and ate one third of them the next say she ate 16 more hummy bears if she ate a total of 37 gu

mmy bears how many were originally in the bags ps i need equations and show jow to do it ​
Mathematics
1 answer:
marissa [1.9K]2 years ago
6 0

Answer:

37-16 Subtract the total of gummy bears(37) she ate by 16

=21.

21x3. Then subtract 21 by 3 because of 1/3

=63

Check your work:

63/3

=21

21+16

=37

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Step-by-step explanation:

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Answer:

The  condition  are

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           The  Alternative hypothesis is  H_a  :  \mu <  5

The  check revealed that

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Step-by-step explanation:

From the question we are told that

     The  population mean is  \mu =  5 \ year

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      The sample mean is  \=  x  =  4.6 \  years

       The  standard deviation is \sigma  =  2.2  \ years

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Generally the test statistics is mathematically evaluated as

                 t =  \frac{\= x  - \mu}{ \frac{\sigma }{\sqrt{n} } }

substituting values

                 t =  \frac{ 4.6  - 5}{ \frac{2.2}{\sqrt{20} } }

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Looking at the value of  t and Z_{\alpha } we see that  t <  Z_{\alpha } so we fail to reject the null hypothesis  

  This implies that there is sufficient evidence to support the claim that in a small city renowned for its music school, the average child takes at least 5 years of piano lessons.

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