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posledela
2 years ago
11

What is 1+1 * the square root of 199 and 198

Mathematics
1 answer:
torisob [31]2 years ago
4 0

Answer:2.14.07

Step-by-step explanation:

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A market researcher for Eric’s Electronics wants to study TV viewing habits of residents in Chicago. The individuals in the surv
Elena L [17]

Answer:

Step-by-step explanation:

Confidence interval is written in the form,

(Sample mean - margin of error, sample mean + margin of error)

The sample mean, x is the point estimate for the population mean.

Since the sample size is large and the population standard deviation is known, we would use the following formula and determine the z score from the normal distribution table.

Margin of error = z × σ/√n

Where

σ = population standard Deviation

n = number of samples

From the information given

1) x = 17.5

σ = 5

n = 50

To determine the z score, we subtract the confidence level from 100% to get α

α = 1 - 0.9 = 0.1

α/2 = 0.1/2 = 0.05

This is the area in each tail. Since we want the area in the middle, it becomes

1 - 0.05 = 0.95

The z score corresponding to the area on the z table is 1.645. Thus, confidence level of 90% is 1.645

Margin of error = 1.645 × 5/√50 = 1.16

Confidence interval = 17.5 ± 1.16

3 0
3 years ago
A cylinder has a lateral area of 144π square meters. The radius of the cylinder is 4 meters. What is the height of the cylinder?
Andrei [34K]

Answer:

5.73 meters

Step-by-step explanation:

5 0
2 years ago
A 10-ounce box of cereal sells for $3.30. A larger box advertises, "10% more-free!" and sells for the same price. What is the co
sergij07 [2.7K]

Answer:

30 cents

Step-by-step explanation:

The box would have 11 oz. (10x1.1)

$3.30/11=30cents

7 0
3 years ago
7 + 9x - x2 in standard form
matrenka [14]
Standard form would be 7+9x-x^2
4 0
3 years ago
Read 2 more answers
Eight people, female and male, were surveyed about their choice of car color, green or blue. The table shows the choices they ma
Rom4ik [11]
The <span>two-way table correctly compares the categorical data would be the second choice or letter B:

</span><span>Green Blue 
Female 2 1 
Male 2 3 
</span><span>
I hope my answer has come to your help. God bless and have a nice day ahead!

</span>
4 0
3 years ago
Read 2 more answers
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