1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ruslelena [56]
3 years ago
5

The probability is 1% that an electrical connector that is kept dry fails during the warranty period of a portable computer. If

the connector is ever wet, the probability of a failure during the warranty period is 5%. If 90% of the connectors are kept dry and 10% are wet,what proportion of connectors fail during the warranty period?
Mathematics
1 answer:
rodikova [14]3 years ago
4 0

Answer:

1.4% of connectors fail during the warranty period.

Step-by-step explanation:

We have these following probabilities:

A 90% probability that a connector is kept dry.

A 10% probability that a connectors is wet.

If a connector is dry, an 1% probability of failling.

If a connector is wet, a 5% probability of failling.

What proportion of connectors fail during the warranty period?

This is 1% of 90% and 5% of 10%. So

P = 0.01*0.9 + 0.05*0.1 = 0.014

1.4% of connectors fail during the warranty period.

You might be interested in
Pls help me!! I just need help on both of the following questions, a-d on each
Ymorist [56]
I'll do a and e on the first one to show you how to do it

Then See if you can do the rest

a. 6(-3)<span><span>
</span></span>
When your multiplying or dividing with negative numbers; If one of your numbers is negative like the one above, your answer will be negative

So 6 × 3 = 18 ; but since there is a negative on the 3 your answer will be -18

e. -20 ÷ 5

same for this; 20 ÷ 5 = 4, but since the 20 is negative the answer will be <span>-4

You do b, c, d, and f on the first question. Tell me what you get and we'll go from there

</span>Now for the second question <span>

</span>I will do a and d to show you how to do this then you do the rest<span> (I'm inserting a picture with these)

</span>a. 4(-2 \frac{1}{3}) + 7 \frac{1}{6}
First go ahead and turn the fractions into improper fractions, this makes them a bit easier to work with. When multiplying fractions; they do not need a common denominator, all you do is multiply top by top and bottom by bottom.<span>
However, when you add and subtract fractions you MUST have a common denominator

</span>d. (-4.25)(2) + (-4.25)(-2)
remember from the first problem a negative times a positive gives you a negative<span>

but when you times a negative by a negative you get a positive


Now you try b and c; let me know what you get, and we'll go from there!

</span>

7 0
3 years ago
Solve for x. Round to the nearest tenth of a degree, if necessary.
monitta

Answer:

  • 49.6°

Step-by-step explanation:

  • tangent = opposite / adjacent
  • tan x = 40/34
  • x = arctan (40/34)
  • x ≈ 49.6°
8 0
3 years ago
Read 2 more answers
A tunnel is in the shape of a parabola. The maximum height is 31 m and it is 13 m wide at the base as shown below.
yan [13]
Using the given values from the problem and the illustration, three points are known which are (0,0), (6.5,-31), (-6.5,-31). The first step in solving this problem is to determine the equation of the parabola.
y = ax²
-31 = a(6.5)²
-31 = 42.25a 
a = -31/42.25 
a = -124/169 

Therefore, the equation of the parabola is y = (-124/169)x². The value 4.5 is then substituted in the equation as x to get the answer which is 16.14 meters.
6 0
2 years ago
The nutrition supervisor for a school district is considering adding a baked potato bar to the lunch for all the high school caf
Nimfa-mama [501]

Using the confidence interval, it is found that the correct option is:

There is convincing evidence because the entire interval is above 0.

<h3>When does a confidence interval for the difference of proportions gives convincing evidence that there is a difference?</h3>

It gives convincing evidence when 0 is not part of the confidence interval.

In this problem, the interval is (0.02, 0.38), which does not contain 0, hence the correct option is:

There is convincing evidence because the entire interval is above 0.

More can be learned about confidence intervals at brainly.com/question/25890103

3 0
1 year ago
Solve for x<br> 12<br> (x + 2)/<br> B<br> O 14<br> O 10<br> 12<br> 06
Makovka662 [10]

Answer:

opposite sides of ||gram are equal and parallel therefore

12=x+2

12-2=x

10=x

pls mark as brainliest

6 0
2 years ago
Other questions:
  • All of the students in Ms. Osbourne's class like pizza. Jeff is a student who likes pizza. Therefore, Jeff is a student in Ms. O
    15·1 answer
  • What is the value of -d when d=-2 ?<br><br> A. 4<br> B. -4<br> C. -2<br> D. 2
    10·2 answers
  • EXPERTS/ACE/TRUSTED HELPERS helpppp meeeeeeeee plzzzz
    13·1 answer
  • Someone Please help
    11·1 answer
  • Solve for x 72-12x=32-x
    7·1 answer
  • 500 is 10 times as much as
    12·2 answers
  • HELP! As Soon As Possible (ASAP)
    13·1 answer
  • How to solve the Quadratic formul​
    15·1 answer
  • Yeah help with that please thanks
    10·2 answers
  • Written as a simplified polynomial in standard form, what is the result when
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!