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bogdanovich [222]
3 years ago
8

PLEASE HELP

Mathematics
1 answer:
jek_recluse [69]3 years ago
3 0

Answer: 0.1056

Step-by-step explanation:

Given: Chipotle Burritos are normal distributed with

Mean =  200 mm

Standard deviation = 8 mm

Let x be the length of a random burrito.

The probability that a burrito picked at random is shorter than 190mm will be :

P(x

Hence, the probability that a burrito picked at random is shorter than 190mm is 0.1056.

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3.Simplify a side.

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5 0
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Round 65754.59 to the nearest tenth
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65754.6 because the 9 in the hundreds place bumps up the five in the tenths
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Read 2 more answers
A 37 bag sample had a mean of 421 grams. Assume the population standard deviation is known to be 29. A level of significance of
Ierofanga [76]

Answer:  H_0:\mu=421

H_a : \mu\neq421

Step-by-step explanation:

  • A null hypothesis is a type of hypothesis that is used in statistics that assumes there is no difference between particular characteristics of a population wheres the alternative hypothesis shows that there is a difference.

Given: A 37 bag sample had a mean of 421 grams.

Let \mu be the population mean.

Then, the null hypothesis would be:

H_0:\mu=421

whereas the alternative hypothesis would be:

H_a : \mu\neq421

5 0
3 years ago
Find the value of the matrices <br> A) 17<br> B) 12<br> C) 15<br> D) 13
nlexa [21]

Answer:

option C is correct

Step-by-step explanation:

We need to find the determinant.

= -1(7*9 - 3*9)-( -3)(4*9 - 3*3) -2(4*9 -7*3)

= -1(63-27) +3 (36 - 9) -2( 36- 21)

= -1(36)+3(27)-2(15)

= -36+81-30

= 15

Option C is correct

8 0
4 years ago
How would the domain &amp; range of Y= 1/4x-6 be determined HELP ASAPP!!!
liq [111]

Answer:

Domain=\mathbb{R}\to x\in(-\infty,\ \infty)\\\\Range=\mathbb{R}\to x\in(-\infty,\ \infty)

Step-by-step explanation:

y=\dfrac{1}{4}x-6}

It's an equation of a linear function in the slope-intercept form:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept</em>

The domain of any linear function is the set of all real numbers.

The range of any linear function where m ≠ 0 is the set of all real number.

If m = 0, then the equation of a line is y = b. Then the range is {b}.

We have m = 1/4 ≠ 0. Therefore the range is the set of any real numbers.

5 0
4 years ago
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