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quester [9]
3 years ago
14

A particular fruit's weights are normally distributed, with a mean of 372 grams and a standard deviation of 26 grams. If you pic

k 36 fruit at random, what is the probability that their mean weight will be between 365 grams and 380 grams
Mathematics
1 answer:
Mrac [35]3 years ago
3 0

Answer: 90.93%

Step-by-step explanation:

M= 372

s= 26

n=36

P(365<u><</u>x<380)

1. Find Z ----> <u>365-372</u> \sqrt{36} = -1.6     Next Z----><u>  380 - 372 </u>\sqrt{36}<u>= </u>  1.8

                           26                                               26

2.  plug into calculator to find probablity: normalcdf(-1.6 , 1.8 ) = .90927 or 90.93% that the prob is between 365 and 380

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3 years ago
The sale price of an item on sale for 40% off is $48. What was the regular price?
Charra [1.4K]

Good evening ,

<u><em>Answer:</em></u>

<h2>the regular price of the item is $80.</h2>

<u><em>Step-by-step explanation:</em></u>

Let p represent the regular price of the item.

p - p×(40/100) = 48 ⇌ p×(1 - 40/100) = 48 ⇌ p×(100/100 - 40/100) = 48

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5 0
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Learning outcome: Solve a linear system of equations in two and three variables using algebraic methods. Read and solve word pro
Talja [164]

Answer: Equilibrium price would be $13.33 and equilibrium quantity  would be 133.3 units.

Step-by-step explanation:

Since we have given that

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We need to find the equilibrium price and quantity for this device.

For equilibrium, D(p) = S(p).

so, it becomes,

200-5p=10p\\\\200=10p+5p\\\\200=15p\\\\p=\dfrac{200}{15}\\\\p=\$13.33

and when we put the value of p in any function:

Q=10\times 13.33=133.3\ units

Hence, Equilibrium price would be $13.33 and equilibrium quantity  would be 133.3 units.

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Answer:

60 cents

Step-by-step explanation:

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