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3 years ago

The wild cats basketball team made 80% of the 95 shots taken. How many shots did they make?

2 answers:

5 0

To answer this question what you should do is to take 80% out of 95. To do this, you must make a simple rule of three which you can do as follows.
95 ---> 100
x ----> 80
Clearing x we have
x = ((80) / (100)) * (95) = 76
answer
they did make 76 shots of 95

olga55 [171]3 years ago

4 0

<span>95 total shots were taken, and the wild cats made 80% of them. Simply multiply 95 by 0.1 to give 10%, which is 9.5 shots, and then multiply that by 8 to give a total of 76. During the course of the game, the wild cats made 76 total shots.</span>

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The length of human pregnancies from conception to birth follows a distribution with mean 266 days and standard deviation 15 day

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Answer:

a) 81.5%

b) 95%

c) 75%

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 266 days

Standard Deviation, σ = 15 days

We are given that the distribution of length of human pregnancies is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

a) P(between 236 and 281 days)

$P(236 \leq x \leq 281)\\\\= P(\displaystyle\frac{236 - 266}{15} \leq z \leq \displaystyle\frac{281-266}{15})\\\\= P(-2 \leq z \leq 1)\\\\= P(z \leq 1) - P(z < -2)\\= 0.838 - 0.023 = 0.815 = 81.5\%$

b) a) P(last between 236 and 296)

$P(236 \leq x \leq 281)\\\\= P(\displaystyle\frac{236 - 266}{15} \leq z \leq \displaystyle\frac{296-266}{15})\\\\= P(-2 \leq z \leq 2)\\\\= P(z \leq 2) - P(z < -2)\\= 0.973 - 0.023 = 0.95 = 95\%$

c) If the data is not normally distributed.

Then, according to Chebyshev's theorem, at least $1-\dfrac{1}{k^2}$ data lies within k standard deviation of mean.

For k = 2

$1-\dfrac{1}{(2)^2} = 75\%$

Atleast 75% of data lies within two standard deviation for a non normal data.

Thus, atleast 75% of pregnancies last between 236 and 296 days approximately.

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3 years ago

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Trava [24]

Answer:

A standard deck of cards has 52 cards.

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so if you do 4/52 + 4/52 = 8/52

8/52 in simplest form is 2/13

Step-by-step explanation:

Hope this helps Have a nice day

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3 years ago