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3 years ago

What fraction of a cup of vegetable oil should julia use to make 1\2 of a batch of salad dressing

Mathematics

2 answers:

Ostrovityanka [42]3 years ago

8 0

A) 3/8. You cut 3/4 in half by making the bottom number twice as big and get 3/8

Nikitich [7]3 years ago

7 0

A. is your answer

Please mark me as brainliest. I really need it.

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Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. The m

marshall27 [118]

Answer:

1. 0.0000454

2. 0.01034

3. 0.0821

4. 0.918

Step-by-step explanation:

Let X be the random variable denoting the number of passengers arriving in a minute. Since the mean arrival rate is given to be 10,

$X \sim Poi(\lambda = 10)$

1. Requires us to compute

$P(X = 0) = e^{-10} \frac{10^0}{0!} = 0.0000454$

2. We need to compute $P(X \leq 3) = P(X =0) + P(X =1) + P(X =2) + P(X =3)$

$P(X =1) = e^{-10} \frac{10^1}{1!} = 0.000454$

$P(X =2) = e^{-10} \frac{10^2}{2!} = 0.00227$

$P(X =3) = e^{-10} \frac{10^3}{3!} = 0.00757$

$P(X \leq 3) =0.0000454+ 0.000454 + 0.00227 + 0.00757 = 0.01034$

3. The expected no. of arrivals in a 15 second period is = $10 \times \frac{1}{4} = 2.5$ . So if Y be the random variable denoting number of passengers arriving in 15 seconds,

$Y \sim Poi(2.5)$

$P(Y=0) = e^{-2.5} \frac{2.5^0}{0!} = 0.0821$

4. Here we use the fact that Y can take values $0,1, \dotsc$ . So, the event that "Y is either 0 or $\geq$ 1" is a sure event ( i.e it has probability 1 ).

$P(Y=0) + P(Y \geq 1) = 1 \implies P(Y \geq 1) = 1 -P(Y=0) = 1 - 0.0821 = 0.918$

3 0

3 years ago

HEY YALLL WASSUP ^ ^

Vladimir79 [104]

Answer:

HEY YALLL WASSUP

Step-by-step explanation:

6 0

4 years ago

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Omg help me ASAP I’m stuck and people keep giving me different answers

Ulleksa [173]

Answer:

Scalene acute

Step-by-step explanation:

All angles measures are less than 90 so it would be acute. No sides are equal so it would be scalene

3 0

3 years ago

Will mark brainy pls help

Artemon [7]

Answer:

i believe its 300

Step-by-step explanation:

4 0

3 years ago

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Sharla’s recipe for 4 servings of stew has 2 potatoes and 4 celery sticks. How many potatoes and celery sticks does she need to

kumpel [21]

Answer:

4 servings : 2 potatoes and 4 celery sticks. Find the number of potatoes and celery sticks in 6 servings. 6/4 = 1.50 2 potatoes x 1.50 = 3 potatoes 4 celery sticks x 1.50 = 6 celery sticks 6 servings of stew has 3 potatoes and 6 celery sticks. Other way of computing for the 6 servings is getting the number of potatoes and celery sticks per serving.

Step-by-step explanation:

5 0

3 years ago

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