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ipn [44]
3 years ago
6

How many licks does it take to get to a to the center of a tootsie pop find out

Mathematics
2 answers:
horsena [70]3 years ago
7 0

Answer:

372

Step-by-step explanation:

Not to get personal or anything but...

in my 6th grade science class we had a huge thing where we all got a tootsie pop and had to see how many licks it would take to get to the center. my teacher took all our numbers and found the class average and then took all her periods and got the average and  372 was our average lol.

Olenka [21]3 years ago
3 0

Answer:

364 i tried

Step-by-step explanation:

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A film distribution manager calculates that 4% of the films released are flops. If the manager is correct, what is the probabili
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Answer:

9.34%

Step-by-step explanation:

p = 4%, or 0.04

n = Sample size = 667

u = Expected value = n * p = 667 * 0.04 = 26.68

SD = Standard deviation = \sqrt{np(1-p)}  =\sqrt{667*0.04*(1-0.04)} = 5.06

Now, the question is if the manager is correct, what is the probability that the proportion of flops in a sample of 667 released films would be greater than 5%?

This statement implies that the p-vlaue of Z when X = 5% * 667 = 33.35

Since,

Z = (X - u) / SD

We have;

Z = (33.35 - 26.68) / 5.06

Z = 1.32

From the Z-table, the p-value of 1.32 is 0.9066

1 - 0.9066 = 0.0934, or 9.34%

Therefore, the probability that the proportion of flops in a sample of 667 released films would be greater than 5% is 9.34%.

6 0
3 years ago
Simplify the expression (2j+1)(2)
stiks02 [169]

Answer:

4j + 2

Step-by-step explanation:

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(2j * 2) + (1 * 2)

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6 0
3 years ago
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Step-by-step explanation:

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Police estimate that​ 25% of drivers drive without their seat belts. If they stop 6 drivers at​ random, find the probability tha
Furkat [3]

Answer:

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Step-by-step explanation:

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Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

Police estimate that​ 25% of drivers drive without their seat belts.

This means that 75% wear their seatbelts, so p = 0.75

If they stop 6 drivers at​ random, find the probability that all of them are wearing their seat belts.

This is P(X = 6).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

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3 years ago
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Answer:

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