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Sedaia [141]
2 years ago
9

Brainliest! Help please, thank you!!!

Mathematics
2 answers:
uranmaximum [27]2 years ago
3 0

Answer: 24

Step-by-step explanation:

12x2= 24

8x3=24

Serhud [2]2 years ago
3 0

Answer:

24

  • 8 × 3 = 24
  • 12 × 2 = 24

Notice a pattern, the products are both 24. This means that 8 and 12 share an LCD of 24.

You might be interested in
The distribution of weekly salaries at a large company is right skewed with a mean of $1000 and a standard deviation of $350. Wh
Shtirlitz [24]

Answer:

68.76% probability that the sampling error made in estimating the mean weekly salary for all employees of the company by the mean of a random sample of weekly salaries of 50 employees will be at most $50

Step-by-step explanation:

To solve this question, we have to understand the normal probability distribution and the central limit theorem.

Normal probability distribution:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Central limit theorem:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size can be approximated to a normal distribution with mean \mu and standard deviation, which is also called standard error s = \frac{\sigma}{\sqrt{n}}

In this problem, we have that:

\mu = 1000, \sigma = 350, n = 50, s = \frac{350}{\sqrt{50}} = 49.5

What is the probability that the sampling error made in estimating the mean weekly salary for all employees of the company by the mean of a random sample of weekly salaries of 50 employees will be at most $50

This is the pvalue of Z when X = 1000+50 = 1050 subtracted by the pvalue of Z when X = 1000-50 = 950. So

X = 1050

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem

Z = \frac{X - \mu}{s}

Z = \frac{1050-1000}{49.5}

Z = 1.01

Z = 1.01 has a pvalue of 0.8438

X = 950

Z = \frac{X - \mu}{s}

Z = \frac{950-1000}{49.5}

Z = -1.01

Z = -1.01 has a pvalue of 0.1562

0.8438 - 0.1562 = 0.6876

68.76% probability that the sampling error made in estimating the mean weekly salary for all employees of the company by the mean of a random sample of weekly salaries of 50 employees will be at most $50

4 0
2 years ago
Steve connected a wire extension that is ⅜ foot long to another wire that is ½ foot long. How long is the wire with the extensio
ololo11 [35]
3/8+1/2 = 3/8+4/8 = 7/8 ft
8 0
2 years ago
Which is greater 4.5 or 20/5
lina2011 [118]

Answer:

4.5 is greater than 20/5

Step-by-step explanation:

To figure out this problem, all we need to do is convert the fraction 20/5 into a number. 20/5 in a number form would be 4, since 5 goes into 20 4 times.

4.5 is greater than 4.

8 0
3 years ago
Read 2 more answers
2x + y: 7<br> 3x - 4y = 5
11Alexandr11 [23.1K]

Answer:

y=7-2x

3x-4(7-2x)=5

3x-28+8x=5

11x=33

x=3

y=7-2(3)

y=7-6

y=1

7 0
3 years ago
Rewrite each function into slop-intercept form. 3x + 1/2y = 11
Rainbow [258]
Y=22-6x is the slope-intercept form of this equation
6 0
3 years ago
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