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kiruha [24]
3 years ago
6

A study finds that 80% of the local high school students text while doing homework. Ten students are selected at random from the

local high
school. Which expression would be part of the process used to determine the probability that, at most, 7 of the 10 students text while doing homework?
Mathematics
1 answer:
AysviL [449]3 years ago
6 0

Answer:

Step-by-step explanation:

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A cubic polynomial with zeros at -2, 1, and 4 passes through (2, -56). What is the
victus00 [196]

Answer:

6, -5 and 6. Assume the leading coefficient of f(x) is 1. Write the equation of the cubic polynomial in standard form.

3 0
2 years ago
A particular fruit's weights are normally distributed, with a mean of 372 grams and a standard deviation of 26 grams. If you pic
Mrac [35]

Answer: 90.93%

Step-by-step explanation:

M= 372

s= 26

n=36

P(365<u><</u>x<380)

1. Find Z ----> <u>365-372</u> \sqrt{36} = -1.6     Next Z----><u>  380 - 372 </u>\sqrt{36}<u>= </u>  1.8

                           26                                               26

2.  plug into calculator to find probablity: normalcdf(-1.6 , 1.8 ) = .90927 or 90.93% that the prob is between 365 and 380

3 0
3 years ago
Jillian is at her favorite clothing store and has found a pair of pants that are on sale for 20% off the regular price. They are
ss7ja [257]
$5.60 is correct.
Multiply $28 by .20 (switch the % to a decimal).
You will get $5.60, which is the amount taken off.
7 0
3 years ago
Read 2 more answers
Trey swam 5 kilometers against the current in the same amount of time it took him to swim 15 kilometers with the current. The ra
vovikov84 [41]

Answer:

Since 5 3/5 can be turned into 28/5, then divided by 7/1, you will get 4/5. So Jeremy swims 4/5 of a kilometer each day.

Step-by-step explanation:

3 0
3 years ago
Alright I know what your all thinking the answer is 2, but it says I’m wrong. Am I doing something wrong?
EleoNora [17]

Answer:

3.75

Step-by-step explanation:

Follow PEMDAS

P = parentheses so first it will turn to 30 divided by 3 times 5

E = exponents we dont have any

M = multiplication 30 divided by 8

D = division = 3.75

6 0
3 years ago
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