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3 years ago

8

There are 120 Calories in a 34-cup serving of cereal. How many Calories are there in 6 cups of cereal? Enter your answer in the

box.
Calories=

1 answer:

Ilya [14]3 years ago

7 0

Answer: 21.17 (22 rounded)

explanation: 120/34 = 3.529 calories per cup

3.529 x 6 cups = 21.17

hope this helps :)

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The U.S. Mint began issuing state quarters in 1999. There was one state quarter for each of the 50 states. You are collecting th

Fudgin [204]

Answer:

In order for the display to be rectangular the number of quarters is a row have be able to divide evenly into 50. So the number of quarters in a row can be 1,2,5,10,25,50 or 6 ways. Question 3 and 4 are done the same ways as this problem.

Step-by-step explanation:

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2 years ago

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Sergio is working on a research project involving the ages of students at Brooklyn College. After interviewing 500 students, he

Zinaida [17]

Answer:

The probability of of a randomly chosen student being exactly 21 years old.

= 1.293

Step-by-step explanation:

<u><em>Step(i):-</em></u>

<em>Given Population size n = 500</em>

<em>Mean of the Population = 20 years and 6 months</em>

<em> = </em> $20 + \frac{6}{12} = 20 +0.5 = 20.5 years$ <em></em>

<em>Standard deviation of the Population = 2 years</em>

Let 'X' be the range of ages of the students on campus follows a normal distribution

Let x =21

$Z = \frac{x-mean}{S.D}$

$Z = \frac{x-mean}{S.D} = \frac{21-20.6}{2} =0.2$

<em>The probability of a randomly chosen student being exactly 21 years old.</em>

<em>P( Z≤21) = 0.5 + A( 0.2) </em>

= 0.5 +0.793

= 1.293

6 0

3 years ago

A rectangular cooler made of MycoFoam is 13 inches wide, 7 inches tall, and 7 inches long. what is its surface area?

yarga [219]

To find area u have to multiply the sides so it should be 7x7 or 13x7 it shouldnt be 13x7x7

6 0

3 years ago

1 1/2x4 1/4 solve problem in simplest form

olganol [36]

Answer:

6 3/8

Step-by-step explanation:

1.5x4.25=6.375=51/8= 6 3/8

8 0

2 years ago

In a random sample of 300 attendees of a minor league baseball game, 182 said that they bought food from the concession stand. C

horrorfan [7]

Answer:

<em>90% confidence interval for the proportion of fans who bought food from the concession stand</em>

(0.5603,0.6529)

Step-by-step explanation:

<em>Step(i)</em>:-

<em>Given sample size 'n' =300</em>

Given data random sample of 300 attendees of a minor league baseball game, 182 said that they bought food from the concession stand.

<em>Given sample proportion </em>

<em> </em> $p^{-} = \frac{x}{n} = \frac{182}{300} =0.606$

level of significance = 90% or 0.10

Z₀.₁₀ = 1.645

<em>90% confidence interval for the proportion is determined by</em>

$(p^{-} - Z_{0.10}\sqrt{\frac{p(1-p)}{n} } , p^{-} +Z_{0.10}\sqrt{\frac{p(1-p)}{n} })$

$(0.6066 - 1.645\sqrt{\frac{0.6066(1-0.6066)}{300} } ,0.6066+1.645\sqrt{\frac{0.6066(1-0.6066)}{300} })$

(0.6066 - 0.0463 ,0.6066 + 0.0463)

(0.5603,0.6529)

<u>final answer</u>:-

<em>90% confidence interval for the proportion of fans who bought food from the concession stand</em>

(0.5603,0.6529)

5 0

3 years ago