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faust18 [17]
2 years ago
10

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

Mathematics
1 answer:
Irina-Kira [14]2 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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Which number line represents the solution set for the inequality 2x – 6 ≥ 6(x – 2) + 8?
vovangra [49]

Answer: x≤ -0.5

Step-by-step explanation:  Graph the two lines or solve for x:

2x – 6 ≥ 6(x – 2) + 8

2x – 6 ≥ 6x – 12 + 8

2x – 6 ≥ 6x – 4

-4x  ≥  2

  x  ≤  -1/2  [Inequality is reversed when multiplying or dividing by a negative number]

The number line is anything less than or equal to - 1/2

Or one can plot each side of the inequality and note the interception point (x = -(1/2)).

4 0
3 years ago
Let fx) = 8x - 3<br> What is f(5)?
mihalych1998 [28]

f(5) means to replace the x in the equation with 5.

f(5) = 8(5) - 3

f(5) = 40 - 3

f(5) = 37

7 0
2 years ago
It's 3 triangles right ??<br> I just to make sure am right. How many triangles equal a Circle
PSYCHO15rus [73]
It is 3 triangles your right
3 0
3 years ago
Read 2 more answers
A coin is tossed 15 times. Find the probability of tossing seven or eight heads.
Mamont248 [21]
We will use Binomial Distribution in this case.

Since the coin is tossed 15 times. N which is the number of trails will be 15.

P = Probability of heads

Q = Probability of tails

X = No. heads occurring in each toss.

So, now we have to find the probability for exactly 10 heads.

P(x = 10) = C(15, 10) P^x Q^N-x

C(15, 10) (1/2)^10 (1/2)^5 = 0.0916
10.7K viewsView upvotes

3




Related Questions (More Answers Below)
3 0
3 years ago
Select all names that apply to the number. The length of the side of a square that has an area of 77 square yards.
Mashcka [7]

The length of the side would be sqrt(77) = 8.7749.....

This can be classified as two answers:

A and D

This is a real number

It is also an irrational number because it can’t we written as a simple fraction.

3 0
3 years ago
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