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Kebdra has a bag containing 15 marbles. She has 3 white, 8 red, 3 blue 1 green. She randomly picks a marble from the bag and the

prohojiy [21]

Answer:

8/15

Step-by-step explanation:

because there are 8 red marbles out of 15 marbles

5 0

3 years ago

There were about 1.22 million Hispanic-owned businesses in 2012 and 1.73 million in 2017.

fredd [130]

Answer:

f(t) = 1.22·(173/122)^(t/5)

Step-by-step explanation:

(a) An exponential growth (or decay) function can be written using the form ...

f(t) = (initial value)·(ratio in period)^(t/period)

Here, we're given an initial value of 1.22, a growth ratio of 1.73/1.22 in a period of 5 years, so we can write the function as ...

f(t) = 1.22·(173/122)^(t/5)

__

(b) In 2038-2012 = 26 years, the value of the function is ...

f(26) = 1.22·(173/122)^(26/5) ≈ 7.50 . . . . million

3 0

3 years ago

the debate club has 6 members. each member will debate each of the other members exactly once. how many total debates will there

Bezzdna [24]

3 I think hope it helps

6 0

3 years ago

Read 2 more answers

I'll give brainlliest to whoever anwsers

postnew [5]

Answer:

Step-by-step explanation:

booom

8 0

3 years ago

TotCo is developing a new deluxe baby bassinet. If the length of a newborn baby is normally distributed with a mean of 50 cm and

slavikrds [6]

Answer:

91.63 cm is the interior length of the bassinet to ensure that 99 percent of newborn babies will fit, with a safety margin of 15 cm on each end of the bassinet.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 50 cm

Standard Deviation, σ = 5 cm

We are given that the distribution of length of a newborn baby is a bell shaped distribution that is a normal distribution.

Formula:

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

P(X<x) = 0.99

We have to find the value of x such that the probability is 0.99

P(X < x)

$P( X < x) = P( z < \displaystyle\frac{x - 50}{5})=0.99$

Calculation the value from standard normal table, we have,

$P(z$

$\displaystyle\frac{x - 50}{5} = 2.326\\x = 61.63$

Thus, 99% of newborn babies will have a length of 61.63 cm or less.

There is a safety margin of 15 cm on each end of the bassinet

Length of bassinet =

$61+63 + 15 +15 = 91.63\text{ cm}$

6 0

3 years ago

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