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faust18 [17]
3 years ago
10

© Suppose you did not know that x had a normal distribution. Would you be

Mathematics
1 answer:
Irina-Kira [14]3 years ago
6 0

Answer:

No.

Step-by-step explanation:

The central Limit Theorem states that the sample size must be greater than 30 for an approximate normal distribution.

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10 pt
lord [1]

Answer:

C. 434π

Step-by-step explanation:

Given:

Radius (r) = 7 in.

Height (h) = 24 in.

Required:

Surface area of the cylinder

Solution:

S.A = 2πrh + 2πr²

Plug in the values

S.A = 2*π*7*24 + 2*π*7²

S.A = 336π + 98π

S.A = 434π

5 0
3 years ago
Frank wants to buy an entertainment system that costs $500, including taxes. To pay for the entertainment system, he will use a
AleksandrR [38]

The percent increase from the original cost of the entertainment system to the cost of the entertainment system using the payment plan is 12%.

<u>Step-by-step explanation</u>:

  • The original cost of entertainment system = $500
  • The cost using payment plan= $125+ ($72.50\times 6)
  • cost by payment plan ⇒ 125+ 435 = $560

Percentage increase = (higher value - lower value/ lower value) \times 100

⇒ ((560-500)/500) \times 100

⇒ (60/500) \times 100

⇒ 0.12 \times 100

⇒ 12%

3 0
3 years ago
A watch cost $75.99. If the sales tax rate is 6.25%. What is the amount of sales tax
kkurt [141]

Answer:

i DON'T KNOW............

Step-by-step explanation:

6 0
3 years ago
Solve for x PLEASE HELP DUE TODAY!!!
DiKsa [7]

Answer:

x = 4

Step-by-step explanation:

By intersecting tangent and secant theorem:

{(x + 2)}^{2}  = x(x + 5) \\  \\  {x}^{2}  + 4x + 4 =  {x}^{2}  + 5x \\  \\ 4x + 4 = 5x \\  \\ 4 = 5x - 4x \\  \\ 4 = x \\  \\ x = 4

3 0
3 years ago
Read 2 more answers
Two triangular prisms are similar. The perimeter of each face of one prism is double the perimeter of the
shepuryov [24]

The area of a shape is the amount of space it can occupy.

<em>The surface area of the larger prism is 4 times the surface area of the smaller prism. </em>

<em />

<em />

<em>Let the dimension of one side of the smaller prism be: l and w</em>

<em>Let the dimension of one side of the bigger prism be: L and W</em>

<em />

So, we have:

L = 2l

W =2w

The area of these corresponding sides are:

A_1 =l \times w ---- the first

A_1 = lw

While, the area of the second is:

A_2 =2l\times 2w\\

A_2 =4lw

The ratio of these two sides are:

Ratio = A_1 : A_4

<em>This gives</em>

Ratio = lw : 4lw

Cancel out common terms

Ratio = 1 : 4

Express as fractions

Ratio = \frac 14

Also, we have:

Ratio = \frac{Small}{Large}

This gives

\frac{Small}{Large} = \frac 14

Cross multiply

Large = 4 \tiimes Small

Large =  4\4Small

Hence, option (c) is true

Read more about areas at:

brainly.com/question/6465134

4 0
2 years ago
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