3 years ago

HELP ME GET ANSWER RIGHT NOW PLS SOMEONE FOR 20 POINTS SS

Mathematics

1 answer:

stepan [7]3 years ago

8 0

Describe what the volume of yourself is ?

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The president of Doerman Distributors, Inc., believes that 30% of the firm's orders come from first-time customers. A random sam

Tanzania [10]

Answer:

Step-by-step explanation:

p = .3

n = 150

p(bar ) = 1 - p = .7

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

$\sigma_p=\sqrt\frac{.3(1-.3) }{150} }$

=.037

b )

P ( .2 <p<.4 ) = P [ (.2 - .3) / .037 < z < ( .4 - .3 ) / .037 ]

= P [ (-2.7 < z < +2.7 ]

= .9965-.0035

= .993

c )

P ( .25 <p<.35 ) = P [ (.25 - .3) / .037 < z < ( .35 - .3 ) / .037 ]

= P [ (-1.35 < z < +1.35 ]

= .9115 - .0885

= .823

4 0

3 years ago

A rancher decreased the number of his

tamaranim1 [39]

Answer:

20%

Step-by-step explanation:

150-120 is 30

30 is 1/5 of 150

1/5 is .2, which is 20%

Hope that helps~

7 0

3 years ago

After buying some new coins, Andre has 80 coins in his collection. Last month, he had 50 coins. The size of his current collecti

marta [7]

Answer:

160%

Step-by-step explanation:

5 0

4 years ago

Which expression represents the prime factorization of 243?

Anika [276]

Answer:

$\boxed{3^5}$

Step-by-step explanation:

<em>Hey there!</em>

Look at the image below↓

By looking at the image we can tell the PR expression is $3^5$ .

<em>Hope this helps :)</em>

4 0

4 years ago

Read 2 more answers

The total amount of money (in cents) in x dimes, (x+4) nickels, and 3x quarters

marishachu [46]

Answer:

Step-by-step explanation:

4 0

3 years ago