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Aleksandr-060686 [28]

2 years ago

6

At school, Susie received 4 stickers on Monday, 9 stickers on Tuesday, 14 stickers on Wednesday, and 24 stickers on Friday. If t

his pattern were followed all week, how many stickers did Susie receive on Thursday?

1 answer:

shtirl [24]2 years ago

3 0

Answer:

it goes up a by 5 everyday so it would be 19

Step-by-step explanation:

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Construct the confidence interval for the population standard deviation for the given values. Round your answers to one decimal

Alex777 [14]

Answer:

The correct answer is " $2.633< \sigma < 4.480$ ".

Step-by-step explanation:

Given:

n = 21

s = 3.3

c = 0.9

now,

$df = n-1$

$=20$

⇒ $x^2_{\frac{\alpha}{2}, n-1 }$ = $x^2_{\frac{0.9}{2}, 21-1 }$

= $31.410$

⇒ $x^2_{1-\frac{\alpha}{2}, n-1 }$ = $10.851$

hence,

The 90% Confidence interval will be:

= $\sqrt{\frac{(n-1)s^2}{x^2_{\frac{\alpha}{2}, n-1 }} } < \sigma < \sqrt{\frac{(n-1)s^2}{x^2_{1-\frac{\alpha}{2}, n-1 }}$

= $\sqrt{\frac{(21-1)3.3^2}{31.410} } < \sigma < \sqrt{\frac{(21.1)3.3^2}{10.851} }$

= $\sqrt{\frac{20\times 3.3^2}{31.410} } < \sigma < \sqrt{\frac{20\times 3.3^2}{10.851} }$

= $2.633< \sigma < 4.480$

4 0

2 years ago

A restaurant bill is 56.39.Estimate a 15% tip

hjlf

15% would be 8.4585

hope this helps!!

4 0

3 years ago

What type of arc is AB

stiv31 [10]

I'm sorry I don't know the answer but I do have to say that you are loved and no matter how many mistakes you make you will still always be loved. Step-by-step explanation:

3 0

2 years ago

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The formula to find the surface area of a sphere is to take the radius of the sphere and square it and multiply that amount by p

yawa3891 [41]

500=4πr^2. first divide 500 from four which will equal 125, then divide 125 with π and it will equal 39.788 . finally √39.788. the answer will be r=6.3 or 6

8 0

2 years ago

The sum of two numbers is 53 . The larger number is 9 more than the smaller number. What are the numbers?

Illusion [34]

x + y = 53

x -y = 9 Adding both equations

2x = 62

x = 31 y = 22

6 0

2 years ago