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Alexus [3.1K]
3 years ago
13

Can someone help ple

Mathematics
1 answer:
svp [43]3 years ago
5 0

Answer:

4 units

Step-by-step explanation:

the first dot and the last links at r

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What is the confidence interval estimate of the population mean percentage change in the price per share of stock during the fir
I am Lyosha [343]

Answer:

(-0.1059 ; - 0.0337)

Step-by-step explanation:

The data table is attached in the picture below:

These is a matched pair design ; which requires taking the difference of the two values for each sample :

The mean and standard deviation of the difference will be used to construct the confidence interval :

The mean of difference, dbar = Σx/n = - 0.0698

The standard deviation of difference, Sd ;

Sd = [√Σ(d - dbar)²/(n-1)] = 0.1054

n = sample size = 25

The confidence interval :

dbar ± [TCritical * Sd/√n]

Tcritical at 90% ; df = n -1 = 25 -1

Tcritical(90% , 24) = 1.1711

C.I = - 0.0698 ± (1.711 * 0.1054/√25)

C.I = - 0.0698 ± 0.0361

C.I = (-0.1059 ; - 0.0337)

5 0
2 years ago
2x-2y= 14 standard to slope and intercept form
valina [46]

Answer:

hhhci

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What are the next three terms in the sequence -27, -19, -11, -3, 5, ...?
ddd [48]

Answer:

13, 21, 29

Step-by-step explanation:

the difference is 8

so add 8 to last numbers

3 0
3 years ago
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the school record for sailing a paper airplane is 30 feet 9 inches.Paul sailed his airplane 7 yards 2 feet 6 inches.How far shor
9966 [12]
Convert yards to feet
1yard=3ft
times both sides by 7
7 yards=21ft

7yards 2ft, 6in is
21ft+2ft and 6in or
23ft and 6in


so from 23ft 6in to 30ft 9 in is how much?
30ft, 9in-23ft, 6in=
30ft-23ft, 9in-6in=
7ft, 3in


he was 7ft, 3in short
5 0
3 years ago
the mass of a dust particle is 0.000000000735 kilograms. What is the mass written in scientific notation?
Romashka-Z-Leto [24]
0.000000000735 = 7.35 x 10^-10 kg
6 0
3 years ago
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