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Rina8888 [55]
3 years ago
6

I need help on this PLS

Mathematics
1 answer:
cricket20 [7]3 years ago
3 0

Answer:

25 miles (The pattern is m = 25g where m is miles and g is gallons.)

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As a rule of thumb, the sampling distribution of the sample proportion can be approximated by a normal probability distribution
Gennadij [26K]

As a rule of thumb, the sampling distribution of the sample proportion can be approximated by a normal probability distribution whenever the sample size is large.

<h3>What is the Central limit theorem?</h3>
  • The Central limit theorem says that the normal probability distribution is used to approximate the sampling distribution of the sample proportions and sample means whenever the sample size is large.
  • Approximation of the distribution occurs when the sample size is greater than or equal to 30 and n(1 - p) ≥ 5.

Thus, as a rule of thumb, the sampling distribution of the sample proportions can be approximated by a normal probability distribution when the sample size is large and each element is selected independently from the same population.

Learn more about the central limit theorem here:

brainly.com/question/13652429

#SPJ4

4 0
2 years ago
what are the solution(s) to the quadratic equation 9x2 = 4? x = 4/9 and x = -4/9 x = 4/9 and x = -2/3 x = 3/2 and x = -3/2 no re
Kamila [148]
To solve for the quadratic equation 9x² = 4, we need to recall that the difference between two square can be expressed as the product of their sum and difference or (a² - b²) = (a + b)(a - b). Thus, we have 9x² = 4 9x² - 4 = 0 (3x)² - (2)² = 0 (3x + 2)(3x - 2) = 0 We now have two linear equations: 3x + 2 = 0 | 3x - 2 = 0 3x = -2 | 3x = 2 x = -2/3 | x = 2/3 Thus, x = +2/3 and -2/3.<span> </span>
6 0
3 years ago
How do you convert 5 feet 6 inches to inches
Ostrovityanka [42]

Answer:

66 inches

Step-by-step explanation:

1 foot = 12 inches

5 feet = how many inches?

Cross multiplying gives;

5 × 12 = 60 inches

So 5 feet 6 inches = 60 inches + 6 inches = 66  inches.

8 0
3 years ago
The complex number -5i has the complex trigonometric form of 5(cos 270° + isin270º)
luda_lava [24]

Answer:

  True

Step-by-step explanation:

Evaluating the proposed trigonometric form, we get ...

  5(cos(270°) +i·sin(270°))

  = 5·cos(270°) +5i·sin(270°)

  = 5·0 +5i·(-2)

  = 5i

The statement is true.

6 0
3 years ago
In one serving of trail mix, the ratio of the number of ounces of peanuts to the number
erma4kov [3.2K]

Answer:

40 and 16 for 8 servings

25 and 10 for 5 servings

15 and 6 for 3 servings

Step-by-step explanation:

4 0
2 years ago
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