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3 years ago

Sammie pays $30 for a bag that she buys at a discount of 50%. What is the price of the bag without the discount?

Mathematics

1 answer:

Aloiza [94]3 years ago

7 0

$60 so u double 30 as it is 50 percent and 50 is half a hundred percent so it is $60

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The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest level of education attained

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Answer:

a. $H_{0}:$ u1≤u2

$H_{a} :u1>u2$

b P<0.05 rejected H

Step-by-step explanation:

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The mean is the average . the sum of number over the number of observation

x1=525

x2=487

s.d1=59.42

s.d2=51.74

n1=16

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Determine the hypothesis

$H_{0}:$ u1≤u2

$H_{a} :u1>u2$

find the degree of freedom $(\frac{s1^2}{n1} +\frac{s2^2}{n2} )^2/(\frac{s1^2}{n1} )^2/n1-1+(s2^2/n2)^2/n2-1\\\\(\frac{59.42^2}{16} +\frac{51.7476^2}{12} )^2/(\frac{59.42^2}{16} )^2/16-1+(51.74^2/12)^2/12-1$

p-value is the probability of obtaining the value of the test statistics. In the column of t-value in the row df=25

0.025<P<0.05

if the P value is actually less than or the same as the significant level, then the null hypothesis is rejected

P<0.05 rejected H

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3 years ago

What is the slope of (3, 3) and (-6, -3)

Veronika [31]

Answer:

m=2/3

Step by Step Explanation:

x1,y1= 3,-6

x2,y2=3,-3

m={-3-3} (Fraction Form)

{-6-3}

Refine:

m={2}{3}

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2 years ago

Read 2 more answers