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3 years ago

Explain the pzx triangle

Mathematics

1 answer:

iragen [17]3 years ago

6 0

Answer:

It's a spherical triangle and it's used in astronavigation to determine the observers position on the globe

Step-by-step explanation:

Is that right?

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Suppose that in a random selection of 100 colored candies, 26% of them are blue. The candy company claims that the percentage

quester [9]

Answer: a) -0.2252, b) 0.8219

Step-by-step explanation:

Since we have given that

Sample size n = 100

Probability that candies are blue = p= 0.26

Probability that company claims that it is blue candy = P = 0.27

So, Q = 1-P= 1-0.27 = 0.73

So, Null hypothesis : $H_0:p=P$

Alternate hypothesis : $H_1:p\neq P$

So, the test statistic would be

$z=\dfrac{p-P}{\sqrt{\dfrac{P.Q}{n}}}\\\\z=\dfrac{0.26-0.27}{\sqrt{\dfrac{0.27\times 0.73}{100}}}\\\\z=-0.2252$

Since α = 0.05

So, critical value of z = 1.96

p-value = P(Z>Z(calculated)

Using the excel function , we get that

$P(z>0.2252)\\\\=2\times 0.410.911845\\\\=0.8219$

Hence, a) -0.2252, b) 0.8219

6 0

3 years ago

3 + x + x = 15 Just need a simple answer and explanation thank you

klemol [59]

Answer:

Step-by-step explanation:

3+x+x=15

3+2x=15

2x=15-3

2x=12

x=12/2

x=6

4 0

3 years ago

Read 2 more answers

NEED HELP QUICK!!!

WITCHER [35]

First, we must convert the total miles into kilometers. If there are 1.609 kilometers in one mile, then 26.219 miles equals 42.3 kilometers. We then divide by the total minutes (128) to get the speed in kilometers per minute which should be 0.32 or 0.3 kilometers per minute.

4 0

3 years ago

Read 2 more answers

Joe borrowed $8,000 on a one year note at 13%. How much will Joe owe when the note comes due? 1040 wasn't right.

SpyIntel [72]

$8,000 x 0.13 = $1040

$8,000 + $1040 = $9,040

answer: $9,040

3 0

3 years ago

Helpppppppppp. No links

jonny [76]

Answer:

Step-by-step explanation: