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Akimi4 [234]
3 years ago
7

Of the 4 people who have signed up for a genetics lecture, 2 have green eyes. Considering this data, how many of the next 10 peo

ple to sign up should you expect to be green-eyed?
Mathematics
1 answer:
Feliz [49]3 years ago
5 0

Answer: 5

Step-by-step explanation:

2 of the first 4 people had green eyes which gives us a percentage of 50% so if we apply the same percentage to the next 10 people 5 of them should have green eyes.

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There are 10 less trumpet players than saxophone players. The number of saxophone playere is 3 times thr number of trumpet playe
just olya [345]
I'm guessing it 30 it says 3 times the nber of trumpet players
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??????????????????????????????
tamaranim1 [39]

Answer:

your picture doesnt show all the answers but it doesnt matter well just count it

surface area = (length x width) + (width x height) + (height x length) and the answer we times it by 2 (cuz they are 6 sides in a prism)

so 4 x 5 + 5 x 10 + 10 x 4 = 110

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8 0
2 years ago
A study of king penguins looked for a relationship between how deep the penguins dive to seek food and how long they stay underw
Serggg [28]

Answer:

b = 0.0138

Step-by-step explanation:

Given

Regression Equation:

DD=2.69+0.0138D

Required

Determine the slope of the regression line

The equation of regression is of the form

Y =  a + bX

Where b represents the slope;

Compare Y =  a + bX to the given equation

DD=2.69+0.0138D

We have that:

Y = DD

a = 2.69

b = 0.0138

X = D

Hence; the slope is:

b = 0.0138

7 0
3 years ago
The cost for a pack of
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8 0
3 years ago
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8. How many ways can a committee of 5 students be chosen from a student council of 30 students? Is the order in which the member
tankabanditka [31]

Answer: A committee of 5 students can be chosen from a student council of 30 students in 142506 ways.

No , the order in which the members of the committee are chosen is not  important.

Step-by-step explanation:

Given : The total number of students in the council = 30

The number of students needed to be chosen = 5

The order in which the members of the committee are chosen does not matter.

So we Combinations (If order matters then we use permutations.)

The number of combinations of to select r things of n things = ^nC_r=\dfrac{n!}{r!(n-r)!}

So the number of ways a committee of 5 students can be chosen from a student council of 30 students=^{30}C_5=\dfrac{30!}{5!(30-5)!}

=\dfrac{30\times29\times28\times27\times26\times25!}{(120)\times25!}=142506

Therefore , a committee of 5 students can be chosen from a student council of 30 students in 142506 ways.

4 0
2 years ago
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