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Mnenie [13.5K]
3 years ago
15

PLZ HELP!

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
4 0
2% you have to cross multiply 53.20times 100 then divide by 1820
Brrunno [24]3 years ago
3 0

Step-by-step explanation:

2.6% b/c 1820×2.6/100

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In order to determine the average price of hotel rooms in Atlanta, a sample of 64 hotels was selected. It was determined that th
deff fn [24]

Answer:

The decision rule is  

Fail to reject the null hypothesis

The conclusion is  

There is no sufficient evidence to show that the average room price is significantly different from $108.50

Step-by-step explanation:

From the question we are told that

   The sample size is  n = 64

    The average price is  \= x  = \$ 112

    The population standard deviation is  \sigma  = \$ 16

     The level of significance is  \alpha  = 0.05

    The population mean is  \mu = \$ 108.5

The null hypothesis is  H_o :  \mu = 108.50

The alternative hypothesis is  H_a  :  \mu \ne  108.50

Generally the test statistics is mathematically represented as

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

=>    z = \frac{112 - 108.50 }{ \frac{ 16}{\sqrt{64} } }  

=>    z = 1.75

From the z table  the area under the normal curve to the left corresponding to  1.75  is  

       P( Z >  1.75) = 0.040059

Generally  p-value is mathematically represented as

        p-value = 2 * P( Z >  1.75)

=>     p-value = 2 * 0.040059

=>     p-value = 0.08012

From the values obtained we see that  p-value  > \alpha hence

The decision rule is  

Fail to reject the null hypothesis

The conclusion is  

There is no sufficient evidence to show that the average room price is significantly different from $108.50

 

3 0
3 years ago
My neighbors daughter was playing with a book and tore out the pages7,8,100,101,222 and 223. How many sheets did she tear out?
monitta

Answer:

6

Step-by-step explanation:

3 0
4 years ago
True or False : The distribution whose five- number summary is shown below has at least one outlier 4.2, 55.3, 73.4, 89.3, 132.2
RoseWind [281]
True, because 4.2 is a lot lower than 55.3, 73.4, 89.3, and 132.2.
4 0
3 years ago
Read 2 more answers
The plans for a shed call for a rectangular floor with a perimeter of 204 ft. The length is two times the width. Find the length
Harlamova29_29 [7]
A-length
b-width
perimeter of rectangular floor: 2a+2b=204
<span>The length is two times the width: a=2b
</span>2a + 2b = 204
2*2b + 2b = 204
6b = 204|:6
b = 34
a=2b=2*34=68

a=68->length
b=34->width
8 0
3 years ago
Read 2 more answers
Find the slope of a graph<br> I'll GIVE BRAINLESS
tester [92]

Answer: 5/4

Step-by-step explanation:

8 0
3 years ago
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