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olya-2409 [2.1K]
3 years ago
12

Is this correct if not correct me

Mathematics
2 answers:
trasher [3.6K]3 years ago
7 0
Yeah seems like it, but if not i’ll help you
AleksAgata [21]3 years ago
5 0
Yuppppppppppppppp yuh
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Determine which prostulate or theorem can be used to prove
REY [17]

Answer:

S.A.S

<em>EXPLANATION:</em>

SQ=SQ(Common side)

<Q=<Q. (Common angle)

PQ=RQ.

Hope u like it.

<em>PLZ MARK ME AS BRAINLIEST </em><em>♥️</em><em>♥️</em>

3 0
3 years ago
For questions 2-5, the number of pieces in a regular bag of Skittles is approximately normally distributed with a mean of 38.4 a
aleksley [76]

Answer:

a. -1.60377

b. 0.25451

c. 0.344

d. Option b) 78th

Step-by-step explanation:

The number of pieces in a regular bag of Skittles is approximately normally distributed with a mean of 38.4 and a standard deviation of 2.12.

a)What is the z-score value of a randomly selected bag of Skittles that has 35 Skittles? a) 1.62 b) -1.62 c) 3.40 d) -3.40 e)1.303.

The formula for calculating a z-score is is z = (x-μ)/σ,

where x is the raw score

μ is the population mean

σ is the population standard deviation.

z = 35 - 38.4/2.12

= -1.60377

Option b) -1.62 is correct

b) What is the probability that a randomly selected bag of Skittles has at least 37 Skittles? a) .152 b) .247 c) .253 d).747e).7534. .

z = (x-μ)/σ

Mean of 38.4 and a standard deviation of 2.12.

z = (37 - 38.4)/2.12

= -0.66038

P-value from Z-Table:

P(x<37) = 0.25451

The probability that a randomly selected bag of Skittles has at least 37 Skittles is 0.25451

Option c) .253 is.correct

c) What is the probability that a randomly selected bag of Skittles has between 39 and 42 Skittles? a) .112 b) .232 c) .344 d).457 e).6125.

z = (x-μ)/σ

Mean of 38.4 and a standard deviation of 2.12.

For 39 Skittles

z = (39 - 38.4)/2.12

= 0.28302

Probability value from Z-Table:

P(x = 39) = 0.61142

For 42 Skittles

z = (42 - 38.4)/2.12

= 1.69811

Probability value from Z-Table:

P(x = 42) = 0.95526

The probability that a randomly selected bag of Skittles has between 39 and 42 Skittles is:

P(x = 42) - P(x = 39

0.95526 - 0.61142

0.34384

= 0.344

Option c is.correct

d) What is the percentile rank of a randomly selected bag of Skittles that has 40 Skittles in it? a)82nd b) 78th c) 75th d)25th e)22nd

z = (x-μ)/σ

Mean of 38.4 and a standard deviation of 2.12.

z = (40 - 38.4)/2.12

= 0.75472

P-value from Z-Table:

P(x = 40) = 0.77479

Converting to percentage = 0.77479× 100

= 77. 479%

≈ 77.5

Percentile rank = 78th

7 0
3 years ago
Which table represents the same proportional relationship as the equation y=36x?
bulgar [2K]

Answer: The third one

C.

Step-by-step explanation:

7 0
3 years ago
On a test, Marcus answered 12 out of the first 15 problems correctly. If this rate continues
Deffense [45]

Answer:

20

Step-by-step explanation:

6 0
2 years ago
Analyze the expression and then choose the sentences describing whether the binomial theorem can be used to factor it. Check all
daser333 [38]

Answer:

Step-by-step explanation:

N is 3 bc #of terms minus 1

Exponents go from 3>2>x>none

Can be factored using binomial theorem

8 0
2 years ago
Read 2 more answers
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