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A basket contains 4 pink clips, 6 purple clips, and 5 white clips. Daisy picks one clip and records its color without replacing

Shalnov [3]

Answer:

The probability of selecting a purple clip after a white clip without replacement is 1/7

Step-by-step explanation:

In this question, we are asked to calculate the probability of taking out a white clip followed by the purple clip without replacement.

First, let’s calculate the total number of clips; that is 4 + 6 + 5 = 15 clips .

Initially the probability of selecting a white clip would be 5/15 = 1/3

Now, removing the white clip and not replacing it means we are left with a total of 14 clips. the probability of selecting a purple clip here would thus be 6/14 = 3/7

Now the probability of selecting a white followed by a purple clip would be 1/3 * 3/7 = 1/7

4 0

3 years ago

To measure the satisfaction of their customers Ali Baba restaurant sends out 1000 surveys to their customers. Out of the 823 sur

Dafna1 [17]

Answer:

Th proportion of satisfied customers is

$\hat{p}=0.77$

Step-by-step explanation:

Although 1,000 surveys were send, we may consider our sample is only made by the 823 surveys returned.

Out of the returned surveys (n=823), 635 people said they were satisfied with the restaurant.

Then, the p-hat (proportion of satisfied people) of this sample is calculated as:

$\hat{p}=x/N=635/823=0.77$

If we consider as the sample size all the surveys sent, and assuming the surveys not returned belong to non-satisfied customers, the proportion of satisfied clients is:

$\hat{p}=x/N=635/1,000=0.64$

3 0

3 years ago

Pls help I don’t get what dis teacher even wants bro

Kaylis [27]

Answer:

5 cups of flour.

Step-by-step explanation:

I know the wording of the problem may be confusing at first, but if you look at it a little bit, it's just multiplication and division.

To start,

12 biscuits require 2 cups of flour,

meaning that 6 biscuits (half of the original) only require 1 cup.

(12/2 = 6)

Next,

We need to find how much flour is in 30 biscuits.

We know that 1 cup is in 6 biscuits, and if you were to find how much was in 30 biscuits, you would just need to divide 30 by 6.

(30/6 = 5)

5 cups of flour would be your answer.

To put it mathematically,

(12/2 = 6), (30/6 = 5)

8 0

11 months ago

Natalia is moving into a new house. All together, her furniture weighs 3,204 pounds. If it takes 8 trucks to carry all of Natali

Allisa [31]

Answer:

D

Step-by-step explanation:

The average can be found by dividing the number of pieces (or trucks in this case) by the total, so 3204/8=400.5 pounds, or D as our answer

6 0

3 years ago

The speed of the current in a creek is 5 mph. A person clan kayak 3 mi upstream in the same time that it takes him to kayak 13 m

Brut [27]

Answer:

8

Step-by-step explanation:

0) the basic formula is: L=v*t, where L - distance, v - speed/velocity; t - time;

1) if the person's speed in still water is 'v' and the speed of water is 5 (according to the condition), then the upstream speed is 'v-5' and the downstream speed is 'v+5';

2) according to the condition the upstream time and the downstream time are the same, it means t₁=t₂=t, where t₁=upstream time and t₂=downstream time;

3) according to the items above it is possible to make up the equation of the upstream travel: t(v-5)=3; ⇒ t=3/(v-5);

4) according to the items above it is possible to make up the equation of the downstream travel: t(v+5)=13; ⇒ t=13/(v+5);

5) if t=3/(v-5) and t=13/(v+5), then

$\frac{3}{v-5} =\frac{13}{v+5}; \ => \ v=8.$

8 0

2 years ago

!!!!PLEASE ANSWER QUICKLY!!!!!WILL LIST BRANLIEST​

!!!!PLEASE ANSWER QUICKLY!!!!!WILL LIST BRANLIEST