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galina1969 [7]
3 years ago
5

A box contains 30 radio chips of which 10 are defective. If 7 chips are picked at random out of the box randomly, what is the pr

obability that at least 8 are defective?
Needs to show all work.
Mathematics
2 answers:
babunello [35]3 years ago
8 0

Answer the chace is 50%

Step-by-step explanation:

because if you  defined it then simplify it u get 50

Tanzania [10]3 years ago
6 0

Answer my question first

if one ratio is given find all other find sin30+cos30?

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Changing Bases to Evaluate Logarithms in Exercise, use the change-of-base formula and a calculator to evaluate the logarithm. Se
son4ous [18]

Answer:

The question is incomplete, the complete question is  "Changing Bases to Evaluate Logarithms in Exercise, use the change-of-base formula and a calculator to evaluate the logarithm. See Example 9.  log_{4}7.

log_{4}7=1.404\\

Step-by-step explanation:

From the general properties or laws of logarithm, we have the

log_{a}b=\frac{logb}{loga} \\

where both log are now express in the natural logarithm base.

i.e log_{a}b=\frac{lnb}{lna}\\

hence we can express our log_{4}7=\frac{ln7}{ln4} \\.

the value of ln7 is 1.9459 and ln4 is 1.3863

Hence  log_{4}7=\frac{ln7}{ln4}=\frac{1.9459}{1.3863}\\.

log_{4}7=1.404\\

6 0
3 years ago
What is 9564 rounded to the nearest thousand?
Ket [755]

Answer:

10,000

Step-by-step explanation:

9564

9=thousands

5=hundreds

6=tens

4=ones

the number behind the thousands (5) must be 5 or higher to be able to round up. Because the number in the hundreds place is 5, the 9 can round up to 10, making it ten thousand (10,000).

3 0
3 years ago
Read 2 more answers
For the math experts
slamgirl [31]

Answer:

45 cause any value inside mod function always return to postive

8 0
3 years ago
Will give brainliest please help ASAP
jolli1 [7]

The inequality sign is greater than or equal to, which means the line would be solid and the shaded portion would be to the right of the line.


The correct graph would be A.

8 0
3 years ago
please solve the answer and show your work so kara and her four friends ate dinner together at a new restaurant. when bill came,
Free_Kalibri [48]
So, you know that there were 5 people there, Kara and 4 friends. To divide equally, just divide 42.30 by 5=

42.30/5 = 8.46

Each person played $8.46.

Hope this helps!!
~Kiwi
8 0
3 years ago
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