2 years ago

Ye I don’t so any of y’all got the answer?

Mathematics

1 answer:

natima [27]2 years ago

4 0

No we donntttt I’m struggling

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Mrac [35]

Yesssssssss, with what though

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2 years ago

The director of the library calculates that 29% of the library's collection is checked out. If the director is right, what is th

marusya05 [52]

Answer:

The probability that the proportion of books checked out in a sample of 412 books would differ from the population proportion by less than 4% is P=0.9255.

Step-by-step explanation:

The population's proportion is $\pi=0.29$

If we take a sample of 412 books (n=412), we have a standard deviation of the sampling distribution of:

$\sigma_M=\sqrt{\frac{\pi(1-\pi)}{n}}=\sqrt{\frac{0.29*0.71}{412}}=\sqrt{0.0005} =0.0224$

We have to calculate the probabilty that the sample proportion will be between 0.25 and 0.33.

$z_1=(0.25-0.29)/0.0224=-0.04/0.0224=-1.7857\\\\z_2=1.7857\\\\\\P(0.25$

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3 years ago

Write a rule for the nth term of the sequence 15, 19, 23, 27

Mkey [24]

Answer:

aₙ= 4n+11

Step-by-step explanation:

the sequence 15, 19, 23, 27

is AP with the first term 15 and

the common difference 19-15=23-19=27-23= 4

aₙ= a₁+(n-1)d

aₙ= 15+(n-1)*4= 15+4n- 4= 4n+11

aₙ= 4n+11

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3 years ago

There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without repl

lapo4ka [179]

The probability that both marbles will be a red color is:

6..... ⇔ number that satisfies the constraint
_____
15..... ⇔ number of outcomes

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3 years ago

Prime factorization of 180 math

jenyasd209 [6]

180|2
90|2
45|3
15|3
5|5
1

$180=2^2\cdot3^2\cdot5$

5 0

3 years ago

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