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sweet [91]
2 years ago
15

A school principal claims the graduation rate at a school is 96%. Molly, a student at this school, takes a random sample of stud

ents and finds the 95% confidence interval for the true proportion of students graduating from this school is (0.934, 0.983). Is it reasonable to conclude the principal’s claim is incorrect? No, because the interval contains 0.96. No, because the interval contains values greater than 0.96. Yes, because the interval has values less than 0.96. Yes, because a different sample might give different results.
Mathematics
1 answer:
Crazy boy [7]2 years ago
6 0

Answer:

No, because the interval contains 0.96.

Step-by-step explanation:

edge2021

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A quantitative observation? a. contains a number and a unit b. does not contain a number c. always makes a comparison
Naily [24]

Answer: A. contains a number and a unit

Step-by-step explanation:

Quantitative observations measure the quantity, or the amount, of a certain thing. Therefore they must always use a number value to measure the amounts, and a unit to signify what the amount is for.

3 0
2 years ago
Garth is packing boxes with books. The list shows how many books are in each of 10 boxes.
8_murik_8 [283]

:Answer: The answer is C on Edge

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Caden states that n^2 +3n + 2n is an equivalent expression to 6n. Why is Caden's statement incorrect?
malfutka [58]
\begin{gathered} \text{The simplification of n}^2+3n+2n\text{ is:} \\ i)n^2+5n \\ By\text{ collecting common term, this can be written in form of:} \\ ii)\text{ n(n+5)} \end{gathered}

Thus, options A and D hold, from the simplifications above.

Let's consider the validity of the remaining options provided.

\begin{gathered} \text{For option B)} \\ \text{substitute for n=1 into the expression n}^2+3n+2n,\text{ we have} \\ 1^2+3(1)+2(1)=1+3+2=6 \\ \text{substitute for n=1 into the expression 6n, we have} \\ 6(1)=6 \\ \text{Thus, the expression n}^2+3n+2n\text{ is equivalent to 6n, for n=1} \end{gathered}\begin{gathered} \text{For option C)} \\ \text{The expression n}^2+3n+2n\text{ does not simplify to 7n} \end{gathered}\begin{gathered} \text{For option E)} \\ \text{substitute for n=4 into the expression n}^2+3n+2n,\text{ we have:} \\ 4^2+3(4)+2(4)=16+12+8=36 \\ \text{substitute for n=6 into the expression 6n, we have:} \\ 6(4)=24 \\ \text{Thus, the two(2) expressions are not equivalent to each other, for n=4} \end{gathered}\begin{gathered} \text{For option F)} \\ \text{substitute for n=3 into the expression n}^2+3n+2n,\text{ we have:} \\ 3^2+3(3)+2(3)=9+9+6=24 \\ \text{substitute for n=3 into the expression 6n, we have:} \\ 6(3)=18 \\ \text{Thus, the two(2) expressions are not equivalent to each other, for n=3} \end{gathered}

Hence, the correct options that apply are options A, D, E and F

7 0
1 year ago
On a map, the perimeter of a field is 0.352 meters. The actual perimeter of the field is 1,000 times as large. What is the actua
Alex777 [14]

Answer:

The actual perimeter of the field is 352 meters

Step-by-step explanation:

Given;

the perimeter of a field is 0.352 meters

the actual perimeter of the field is 1,000 times as large

let the perimeter of the field = p

the the actual perimeter of the field = T

Given;

P = 0.352 m

T = 1000 x p

T = 1000 x 0.352

T = 352 m

Therefore, the actual perimeter of the field is 352 meters

5 0
3 years ago
19 ,20 ,21 please show your work (worth 100 points)
RoseWind [281]

Answer:

Step-by-step explanation:

19 - you would divide number of beads by beads per bracelet to get number of bracelets

blue = 258/6 = 43

silver = 428/9 = 47.56, round down because we're looking at complete bracelets = 47

rose = 102/3 = 34

white = 258/7 =36.86, round down again = 36

20 - they can make 43 + 47 + 34 + 36 = 160 bracelets before they run out, and they will run out of rose first since it has the smallest number of bracelets

21 - multiply num of beads by num of bracelets for each color and add them up

blue = 6 * 7 = 42

silver = 9 * 7 = 63

rose = 3 * 7 = 21

white = 7 * 7 = 49

42 + 63 + 21 + 49 = 175

5 0
3 years ago
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