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2 years ago

the jacksons went camping in a state park.One of the tents they took is shown . What is the volume of the tent.

Mathematics

1 answer:

IrinaK [193]2 years ago

8 0

The jacksons went camping in a state park. one of the tents they took is shown.what is the volume of the tent?

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The owner of a music store received a shipment of 1532 cds came in 37 boxes. The same number of cds were in 36 of the boxes. How

AVprozaik [17]

Answer:

20 CDs

Step-by-step explanation:

36 x 42 = 1512

1532 - 1512 = 20

The last box has 20 CDs

6 0

2 years ago

In a study in Scotland (as reported by Devlin 2009), researchers left a total of 320 wallets around Edinburgh, as though the wal

Ann [662]

Answer:

a) The observed proportion of wallets that were returned

p = 0.45625

b) 95% of confidence intervals for Population proportion

0.40168 , 0.51082)

c) The lower bound of the 95% confidence interval = 0.40168

d) The upper bound of the 95% confidence interval = 0.51082

Step-by-step explanation:

Step(i):-

Given data the researchers left a total of 320 wallets around Edinburgh, as though the wallets were lost. Each contained contact information including an address. Of the wallets, 146 were returned by the people who found them

Given sample size 'n' = 320

Given data 'x ' = 146

Sample proportion

$p = \frac{x}{n}$

$p = \frac{x}{n} = \frac{146}{320} = 0.45625$

Step(ii):-

b) 95% of confidence intervals for Population proportion

Level of significance = 95% or 0.05%

$Z_{\frac{\alpha }{2} } = Z_{\frac{0.05}{2} } = Z_{0.025} = 1.96$

95% of confidence intervals for Population proportion are determined by

$(p - Z_{0.025} \frac{\sqrt{p(1-p)} }{\sqrt{n} } , p + Z_{0.025} \frac{\sqrt{p(1-p)} }{\sqrt{n} })$

$(0.45625 - 1.96\frac{\sqrt{0.45625(1-0.45625)} }{\sqrt{320} } , 0.45625 + 1.96\frac{\sqrt{0.45625(1-0.45625)} }{\sqrt{320} })$

(0.45625 - 0.05457 , 0.45625 + 0.05457)

( 0.40168 , 0.51082)

c) The lower bound of the 95% confidence interval = 0.40168

d) The upper bound of the 95% confidence interval = 0.51082

7 0

2 years ago

According to one company’s profit model, the company has a profit of 0 when 10 units are sold and a maximum profit of $18,050 wh

grin007 [14]

Answer: Function

f(x) = -2(x-105)^2 +18,050

Step-by-step explanation:

Because only this function satisfies both conditions i.e.

Condition : 1

Profit = 0, when x(items sold) = 10

f(10) = -2(-95)^2 + 18,050 = 0

Condition :2

Profit = 1 , when x = 105

f(105)= -2(105-105)^2 + 18,050 = -2(0) +18,050

f(105) = 18,050.

7 0

2 years ago

Read 2 more answers

Frank bought 9/10 of a yard of fabric. He will need 2/7 of a yard to make a small pillow. How many pillows will he be able to ma

Mrac [35]

Step-by-step explanation:

answer is 1 and 13 over 70

4 0

2 years ago

Icon" to view the SpeechStream® loolbar article for

RUDIKE [14]

Answer:

$\simeq 820 feet$

Step-by-step explanation:

He has asked me to move the finish line 0.25 km forward

Now,

we know that

1 km = 0.621371 mile

⇒ 0.25 km = $0.25 \times 0.621371$ mile

= $0.25 \times 0.621371 \times 1760 \times 3$ feet

(since 1760 yards = 1 mile and 3 feet = 1 yard)

= 820.20972 feet

$\simeq 820 feet$ . (Answer)

8 0

2 years ago