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Kay [80]
4 years ago
15

19. Suppose 3 marbles are drawn without replacement from a bag containing 3 yellow and 4 white marbles. (a) Draw a histogram for

the number of yellow marbles in the sample. (b) What is the expected number of yellow marbles in the sample?

Mathematics
1 answer:
Alina [70]4 years ago
7 0

Answer:

(a) see attachment

(b) E(x) = 226/105

Step-by-step explanation: see attachment

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Dan plans to carpet hiss 288-square-foot living room. How much will it cost if carpeting costs $28 per square yard. (9ft = 1 yd)
Rama09 [41]
It will cost Dan $896
B/c 288/9=32
32*28=896
8 0
3 years ago
Read 2 more answers
The function y=60/x relates y, the time in hours that it takes micheal to travel to his grandparents house,to x , his average sp
Andrews [41]

Answer:

60 represents the distance

Step-by-step explanation:

Given : y is the time in hours that it takes Micheal to travel to his grandparents house,

            x is his average speed in miles per hour.

To Find: What does the number 60 represents

Solution :

Time= y

x = speed

So, To find distance we will use formula :

Time = \frac{Distance}{Speed}

y = \frac{Distance}{x}  -- A

Given function: y = \frac{60}{x} --B

On comparing A and B

Distance = 60 miles

So, 60 represents the distance .

7 0
3 years ago
Read 2 more answers
I can't seem to figure out how to do this? Can someone please not just give me the answer but also explain it to me?
Zinaida [17]

Answer:

bro

Step-by-step explanation:

just skip

8 0
3 years ago
Suppose you pick and replace marbles from a bag, one after another. If the bag
Katyanochek1 [597]

Answer:

1/8

Step-by-step explanation:

There are 3 + 3 + 6 = 12 marbles in the bag and 12 * 12 = 144 ways to choose two marbles when replacing. There are 3 * 6 = 18 ways to choose a red marble and then a blue marble so the probability is 18 / 144 = 1 / 8.

5 0
4 years ago
Is 4y - 8 > 10 true?
steposvetlana [31]

4y-8>10

Add 8

4y-8+8>10+8

4y>18

Now divide both sides by 4

4y/4 > 18/4

y>9/2


Now let's see if it will be true

Replace y by its value

4(9/2)-8>10

36/2 -8 > 10

18-8 > 10

10 > 10

That's false because 10 can not smaller than 10

so it should be = instead


Answer : False


I hope that's help:)

7 0
3 years ago
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