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elena-14-01-66 [18.8K]
3 years ago
14

Suppose that past history show that 60% of students prefer Brand C cola. A sample of 5 students is selected. What is the probabi

lity that all of the 5 students selected will prefer brand C
SAT
1 answer:
Greeley [361]3 years ago
5 0

standard deviation of 1 minute, find the probability that a randomly selected college


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There will be 4 people chosen from a group of fifteen to fill four engineer positions at a local company. a. Does order count? b
Karolina [17]

Answer:

No, order doesn't count as they can chosen in any,  14 ,378

Explanation:

5 0
3 years ago
Classify each of the following as a pure substance, homogeneous mixture, solution, or colloid.
Alexus [3.1K]

Acetic acid and ether are pure substance because they can not be further broken down.

<h3>What is a homogeneous mixture?</h3>

A homogenous mixture consists only of single phase. A solution is comprised of a solute and a solvent while a colloid is a false solution.

The following is a classification of each of the items;

1- Acetic acid - pure substance

2- Ether - pure substance

3- Vinegar - homogeneous mixture

4- Gravy - colloid

5- Beef stew - colloid

6- Seltzer water - solution

7- Salad - colloid

Learn more about homogenous mixture:brainly.com/question/24898889

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Mising parts;

Classify each of the following as a pure substance, homogeneous mixture, solution, or colloid.

1- Acetic acid

2- Ether

3- Vinegar

4- Gravy

5- Beef stew

6- Seltzer water

7- Salad

3 0
2 years ago
refer to the accompanying data set of mean​ drive-through service times at dinner in seconds at two fast food restaurants. const
CaHeK987 [17]

Step-by-step explanation:

Assuming the data is as shown, restaurant X has a mean service time of 180.56, with a standard deviation of 62.6.

The standard error is SE = s/√n = 62.6/√50 = 8.85.

At 95% confidence, the critical value is z = 1.960.

Therefore, the confidence interval is:

180.56 ± 1.960 × 8.85

180.56 ± 17.35

(163, 198)

Restaurant Y has a mean service time of 152.96, with a standard deviation of 49.2.

The standard error is SE = s/√n = 49.2/√50 = 6.96.

At 95% confidence, the critical value is z = 1.960.

Therefore, the confidence interval is:

152.96 ± 1.960 × 6.96

152.96 ± 13.64

(139, 167)

4 0
3 years ago
Una oracion de agradecimiento por la vida.
Nata [24]

Answer:

We give thanks for life, the freedom to enjoy it all, and all other blessings. As we partake of food etc, we pray for health and strength to carry on and try to live as You would have us. This we ask in the name of Christ, Our Heavenly Father. "Amen"

7 0
3 years ago
Consider a town in which only two residents, Brian and Crystal, own wells that produce water safe for drinking. Brian and Crysta
rusak2 [61]

Based on the quantity demanded and total revenue to Brian and Crystal, the profit-maximizing price is <u>$1.80 per gallon</u>. The total output is<u> 210 gallons </u>and Brian and Crystal's profits are<u> $189 each</u>.

<h3>What does the table on the demand schedule show?</h3>

The profit-maximizing price is the price at which the highest revenue was acquired which is $1.80.

The total output at this price is 210 gallons.

The profit going to Bryan and Crystal is half each which is:

= 378 / 2

= $189

Find out more on profit-maximizing quantities at brainly.com/question/26030195.

#SPJ1

4 0
2 years ago
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