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sineoko [7]
2 years ago
15

Please help with maths question thank youu​

Mathematics
1 answer:
NARA [144]2 years ago
4 0

3d.79480km thats the answer i think

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ABCD is a rectangle. AB = 2x + y, BC = x + 2,<br> DC = x + 12, and AD = y + 6. Find AB.<br> =
iren2701 [21]

Answer:

See attached image

Step-by-step explanation:

See attached image

3 0
2 years ago
The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students’ attitudes toward school and stud
sineoko [7]

Answer:

The conditions for carrying out a significance test are:

1. It must be a Random sampling

2. It should be a Normal distribution

3. It should be Independent

Step-by-step explanation:

SRS means simple random sample; it is a sampling technique in which individuals can be chosen from the population in such a way that every individual stands an equal chance to be selected as the sample.

The conditions needed or required to carry out a significance test of the teacher's suspicion are:

1. It must be a Random sampling

2. It should be a Normal distribution

3. It should be Independent

All of these conditions are met; the sampling is random as indicated by SRS, it is a normal distribution because one popular rule states that a sample size of at least 30 is enough and here we have a sample size of 45, it is independent because the sample size of 45 is less than 10% of the population

7 0
3 years ago
Read 2 more answers
(10 points!!!) AND I’LL MAKE YOU BRAINLEST
Mnenie [13.5K]

Answer:

nnnononon0j9inononono

3 0
2 years ago
On average, Tanner has noticed that 22 trains pass by his house daily (24 hours) on the nearby train tracks. What is the probabi
blondinia [14]

Answer:

0.11069

Step-by-step explanation:

We will assume that the trains pass by his house following a uniform distribution with values between 0 and 24. The probability of a train passing on a 9-hour time period is 9/24 = 3/8 = 0.375. Lets call Y the amount of trains passing by his house during that 9-hour period. Y follows a Binomail distribution with parameters 22 and 0.375.

P(Y ≤ 5) = P(Y = 0) + P(Y=1) + P(Y=2) + P(Y=3) + P(Y=4) + P(Y=5) =

{22 \choose 0} * 0.375^0*(1-0.375)^{22} + {22 \choose 1}*0.375^1*(1-0.375)^{21} +\\\\{22 \choose 2} * 0.375^2*(1-0.375)^{20} + {22 \choose 3}*0.375^3*(1-0.375)^{19}  + \\{22 \choose 4} * 0.375^4*(1-0.375)^{18} + {22 \choose 5}*0.375^5*(1-0.375)^{17} = 0.11069

I hope that works for you!

4 0
3 years ago
879 divide by 48 show your work
levacccp [35]

Answer:

18 remainder 15

Step-by-step explanation:

4 0
3 years ago
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