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Wewaii [24]
3 years ago
15

A simple random sample of size n=40 from a population with mu = 74 and standard deviation= 7. Does the population need to be nor

mally distributed for the sampling distribution of x bag to be approximately normally distributed?
Mathematics
1 answer:
Maurinko [17]3 years ago
5 0

Answer:

Step-by-step explanation:

How does lack of sleep affect risk of injury

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The expression 100 + 20m, gives the volume of water in Eduardo’s pool (in liters) after Eduardo spends m minutes filling his poo
Alex17521 [72]

205 liters in 5 1/4 minutes

m = 5 1/4

20 (5 1/4) = 105

100+105= 205

3 0
3 years ago
A bag contains 5 red marbles, 4 blue marbles and 6 green marbles. If three marbles
Nina [5.8K]

Answer:

The probability of drawing three red marbles is 1/27, or about 3.71%

Step-by-step explanation:

Add all the marbles:

5 + 4 + 6 = 15

Find favourable outcomes:

5

The probability for drawing a red marble is:

5/15 or 1/3

Multiply this ×3 to find the probability of drawing three red marbles.

1/3 × 1/3 × 1/3 = 1/27

1 ÷ 27 = 0.0370370370 ... repeating

8 0
3 years ago
78 square ft, height is 6ft what is the base
aniked [119]
If the height is 6ft then the base is 13ft.

78/6=13

Hope this helps. 
3 0
3 years ago
Write the given roots to quadratic equation
Svet_ta [14]

Answer:

α + β = - ba and αβ = ca.

⇒ x2 + bax + ca = 0 (Since, a ≠ 0)

⇒ x2 - (α + β)x + αβ = 0, [Since, α + β = -ba and αβ = ca]

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
Help me please people
postnew [5]

Answer:

6 divided by 4=6/4 (bottom left)

Step-by-step explanation:

You're dividing a 6 meter area into 4 parts, so you're dividing 6 by 4 (6/4 m)

6 0
3 years ago
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