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3 years ago

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A clerk is checking the inventory of mugs there are 86 red mugs and 17 fewer blue mugs than red mugs there are 11 more green mug

s than red mugs and 8 fewer yellow mugs than blue mugs how many mugs does the clerk find in the inventory A) 122 B) 302 C)313 D)329

1 answer:

atroni [7]3 years ago

7 0

The answer is c)313

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The proportion of students who own a cell phone on college campuses across the country has increased tremendously over the past

galina1969 [7]

Complete Question

The complete question is shown on the uploaded image

Answer:

1 ) The correct option B

2) The correct option is C

3) The correct option is C

4) The correct option is C

Step-by-step explanation:

From the question we are told that

The proportion that own a cell phone is $p = 0.90$

The sample size is n = 15

Generally the appropriate distribution for X is mathematically represented as

$X \ is \ B( n , p )$

So

$X \ is \ B( 15 , 0.90 )$

Generally the number students that own a cell phone in a simple random sample of 15 students is mathematically represented as

$\mu = n * p$

$\mu = 15 * 0.90$

$\mu = 13.5$

Generally the standard deviation of the number of students who own a cell phone in a simple random sample of 15 students is mathematically represented as

$\sigma = \sqrt{ n * p * q }$

Where q is mathematically evaluated as

$q = 1- p$

$q = 1- 0.90$

$q = 0.10$

$\sigma = \sqrt{ 15 * 0.90 * 0.10 }$

$\sigma = 1.16$

Generally the probability that all students in a simple random sample of 15 students own a cell phone is mathematically represented as

$P(X = 15) = \left 15} \atop {}} \right.C_{15} * p^{15} * q^{15 - 15}$

$P(X = 15) = \left 15} \atop {}} \right.C_{15} * (0.90)^{15} * (0.10 )^{15 - 15}$

From the combination calculator is $\left 15} \atop {}} \right.C_{15} = 1$

$P(X = 15) = 1 * 0.205891 * 1$

$P(X = 15) = 0.206$

7 0

3 years ago

Please can someone help me out?

fredd [130]

Answer: 31?

Step-by-step explanation:

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In a dance competition, a participant has to score a total of at least 30 points in the first four rounds combined to move on to

brilliants [131]

If he got 5 points in the first round and he needed at least thirty he would score 9 points in the next three rounds

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3 years ago

Multiply: (-3x - 6)(3x2 - 6x + 3)

VladimirAG [237]

-9 • (x + 2) • (x - 1)2

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Todd is moving sand from his driveway to the backyard. The wheelbarrow weighs 30 kilograns ahen it is full of sand. When it is e

nignag [31]

Answer:

<u>6</u>

Step-by-step explanation:

<u>You divide 30 by five and you get 6 and then you mutiply 6 by 2 and you get 12 kilograms.</u>

<u>So, Todd filled and emptied the wheel barrow 6 times. </u>

<h2><em>Hope this helpes mark brainllest you welcome </em></h2><h2><em>have a great day! </em></h2><h2><em>:) </em></h2>

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3 years ago