3 years ago

U = {p, q, r, s, t, u, v, w}

Mathematics

1 answer:

SOVA2 [1]3 years ago

7 0

Answer:

{p, q, u, v, w}

Step-by-step explanation:

Please mark me bainliest if I helped!

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=3^3a(3^2-3)/6x3^3a

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3) 4 pounds of meat cost $18. How much will 10 pounds of the same meat cost?

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Answer:

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4 lbs = $18

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A school was attempting to determine the proportion of students who have access to the internet in their homes. Demographic data

Likurg_2 [28]

Answer:

Z = -1.789

P value = 0.036807

Step-by-step explanation:

Here

H0: p = 0.85 students will have access to the internet at home

Ha: p < 0.85 students will have access to the internet at home

As per the given data, out of 120 sampled students, 95 have access to internet at home

This is 79.17 % of the total number of sampled students.

The Z values is given by

$Z = \frac{p-p'}{\sqrt{\frac{p(1-p)}{n} } }$

Substituting the given values, we get -

$Z = \frac{0.7917-0.85}{\sqrt{\frac{0.85(1-0.85)}{120} } }\\Z = -1.789$

The sample proportion of 0.7917 is about -1.789 standard errors below the population proportion given in the null hypothesis.

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