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svp [43]
3 years ago
10

You want to estimate the number of students in your school who support extra funding for the history club. You survey every nint

h student who enters the
school.
Determine whether the sample is based or unbiased
Mathematics
1 answer:
Lyrx [107]3 years ago
4 0

Answer:

unbiased

Step-by-step explanation:

it would be biased if you lets say survey the history club kids

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olga_2 [115]

Answer:

12 inches of fabric

Step-by-step explanation:

Area of a triangle = hight x base

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12 inches of fabric is your answer

Hope this helps :)

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3 years ago
Write an expression in simplest form for the area of a square with a side of 9ab units
nikitadnepr [17]
(9ab)^2

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7 0
3 years ago
A doctor gives a patient a 6060​% chance of surviving bypass surgery after a heart attack. if the patient survives the​ surgery,
DENIUS [597]
Let BS be the event that the patient survives bypass surgery. Let H be the event that the heart damage will heal. Then P(BS) = 0.60, and also we have a conditional probability: GIVEN that the patient survives, the probability that the heart damage will heal is 0.5, that is P(H|BS) = 0.5 We want to know P(BS and H). Using the formula of the conditional probability: P(H and BS) = P(H|BS)·P(BS) = (0.6)(0.5) = 0.3 
3 0
3 years ago
Jaxson and his friends went into a movie theater and they want to buy some bags of popcorn and pretzels. Each bag of popcorn cos
katovenus [111]

Answer:

$22 for popcorn and $8 for pretzels together it would be $30

Step-by-step explanation:

5 0
3 years ago
Why is - x < 3 equivalent to x > - 3? Provide a convincing argument.
AlexFokin [52]

Answer:

-x<3 is the same as x>-3 because when you divide -x<3 by -1 on both sides it ends up as x>-3. (They're the same thing just one isn't simplified.)

Step-by-step explanation:

8 0
2 years ago
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