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BARSIC [14]
3 years ago
11

A computer programm contains one error.in order to find the error, we split the program in to blocks and test 2 of them,selected

at random.let X be the numer of errors in these blocks.compute E(x)...
Mathematics
1 answer:
kolezko [41]3 years ago
5 0
If the E(X) = 1 then that means it has a 100% which is incorrect.
Each block has an equal probability to contain the error so 1/3 because you choose 2/6.
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8 0
2 years ago
Billy has 2.4 m of ribbon for crafts. He wants to share it evenly with 12 friends. Billy has been making craft projects for seve
Triss [41]

Answer:

140 cm

Step-by-step explanation:

Given that:

Total length of ribbon present with Billy = 2.4 m

This ribbon is to be shared with 12 friends evenly.

Billy is doing this work of making craft for the past many years.

To find:

How many centimeters of ribbon that 7 friends will get?

Solution:

First of all, let us find out what length of ribbon will each person get.

Length of ribbon to be shared with each person = Total length of ribbon divided by total number of persons

Length of ribbon to be shared with each person = \frac{2.4}{12} = 0.2\ m

Now, The length of ribbon that 7 friends will get = 7 \times 0.2 = 1.4 m

1 m = 100 cm

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8 0
3 years ago
The FDA recommends that Americans get on average 3,000mg of salt in their daily diet. Suppose that you are interested in testing
gavmur [86]

Answer:

Null hypothesis; H0: μ = 3000

Alternative Hypothesis; Ha: μ ≠ 3000

Step-by-step explanation:

We are told that the FDA recommends that Americans get on average 3,000mg of salt in their daily diet.

Now we want to test this claim of whether Americans truly get an average of 3,000mg of salt in their daily diet.

Thus, the hypotheses is as follows;

Null hypothesis; H0: μ = 3000

Alternative Hypothesis; Ha: μ ≠ 3000

5 0
4 years ago
Write the answer in simplest form: 5/6 − 3/5 I need this ASAP pls help
RSB [31]

Answer:

the answer is 7/30 (answer is .23 repeating)

3 0
3 years ago
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Viefleur [7K]

Answer:

10.50 is what she has left to spend

4 0
3 years ago
Read 2 more answers
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