2 years ago

Cos 105cos 15 what’s the answer to this

Mathematics

1 answer:

andriy [413]2 years ago

7 0

10 answer ensndjjdjsjshshshhdhdhdhdhhdh

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Use the given values of n and p to find the minimum usual value μ−2σ and the maximum usual value μ+2σ. Round to the nearest hund

lbvjy [14]

Answer:

μ−2σ = 1,089.26

μ+2σ = 1,097.62

Step-by-step explanation:

The standard deviation of a sample of size 'n' and proportion 'p' is:

$\sigma=\sqrt{\frac{p*(1-p)}{n} }$

If n=1139 and p =0.96, the standard deviation is:

$\sigma=\sqrt{\frac{p*(1-p)}{n}}\\\sigma = 0.001836$

The minimum and maximum usual values are:

$\mu-2\sigma = (p-2\sigma)*n\\\mu+2\sigma = (p+2\sigma)*n$

$\mu-2\sigma = (0.96-2*0.001836)*1139\\\mu-2\sigma = 1,089.26\\\mu+2\sigma = (0.96+2*0.001836)*1139\\\mu+2\sigma = 1,097.62$

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2 years ago

PLEASE HELP ME AND PLEASE BE CORRECT

stich3 [128]

Answer:

hi what is your name and place

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2 years ago

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The mean of 4 numbers is 21. calculate the sum of the 4 numbers

Ugo [173]

Answer:

Step-by-step explanation:

The mean is calculated as

mean = $\frac{sum}{count}$ , then

$\frac{sum}{4}$ = 21 ( multiply both sides by 4 )

sum = 84

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2 years ago

For what value of c is the rational expression below undefined? x-3/3+x

Temka [501]

No, the answer is 21.

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2 years ago

What is the next term in the sequence 1/2 1/6 1/18 1/54

ddd [48]

1/162
2*3=6
6*3=18
18*3=54
54*3=162

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2 years ago