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Question 14oe Z0 Step00.56.02Asample ot ! 7OX) comtxuter chips revealed that 69 % of the chps fail Ue fursc IO) hours thcir Use ckairned that under 72 % failin the...

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Question 14oe Z0 Step00.56.02Asample ot ! 7OX) comtxuter chips revealed that 69 % of the chps fail Ue fursc IO) hours thcir Use ckairned that under 72 % failin the first I(X) nours company's promorional licerature oftieir use there sutlicient evidence the U.0I Ievel - 5upoom mi companf$ cdir? State the fuIl and alternative hypotheses for the above sccrarioAnswcrPointsTablesKcypadNcxt

Question 14 oe Z0 Step 00.56.02 Asample ot ! 7OX) comtxuter chips revealed that 69 % of the chps fail Ue fursc IO) hours thcir Use ckairned that under 72 % failin the first I(X) nours company's promorional licerature oftieir use there sutlicient evidence the U.0I Ievel - 5upoom mi companf$ cdir? State the fuIl and alternative hypotheses for the above sccrario Answcr Points Tables Kcypad Ncxt



Answers

The percentage of a certain brand of computer chips that will fail after $t$ years of use is estimated to be $$P(t)=100\left(1-e^{-0.1 t}\right)$$
a. What percentage of this brand of computer chips are expected to be usable after 3 years? b. Evaluate $\lim _{t \rightarrow \infty} P(t) .$ Did you expect this result?

So in the code below, we have that seven round of numbers are generated and they're all indexed one by one into the vector U. So you is indexed. It's Ah, uh, vector of random numbers, which has seven rows and one column. And so we have one for each of the seven components. Now, the sequence of end or conjunctions, as we have and or here this match is a serious and parallel ties and the system designed. So once you're run this matter at court, you're gonna get a is equal to 8159 So probably of a hat should take the back answer. That should be probably probably Hat of A is equal to 8159 over 10,000 which is equal to 0.81 flight.

Okay, we're going to answer question number 31 in your textbook chocolate chip cookies. Uh The chapter problem for chapter three includes table 31, which lists the numbers of chocolate chips and chips, ahoy regular cookies. Those numbers have a distribution that is approximately normal, with a mean of 24 point oh chocolate chips and a standard deviation of 2.6 chocolate chips. So we're going to use the normal distribution and stop it to help us answer that question, the mean is 24 point oh and the standard deviation is 2.6 or a plot that distribution find P one and P 99. So we want to know what the first percentile is in the 99th percentile. So we are looking for a value that corresponds to an area, we're going to do the area to the left first, we'll do P one point oh one to the left of 10.1 and that is 17.951. So that's the first percentile. Uh P 99 is the 99th percentile. So we look for the value to the left of 990.99, I mean, And the 99th%ile is 30.049. So how might these values help be helpful to the producers of chips. Ahoy regular cookies. Well, we can um use those values to identify really low or really high chip counts in the production process. We want to monitor that. We don't want to have a cookie that has too many chips and one in a cookie that has not enough chips. So knowing those two values gives us an overall picture, it can help us monitor um monitor chip production and make sure that the chip count on each cookie is within reasonable limits.

And question number 54. We know that the peak is higher. During the midnight to 8 a.m. shifted them the peak during the 4 p.m. To midnight shift. This indicates that decline might be true. Thank you.

Mhm. So for the given problem, we're told that accompany manufacturers, memory chips for microcomputers, the price demand function is given to us as p of X, He called 75 -3 apps. So we want to plot the data with data point and sketch the graph. So We do this, we'll say have X equals zero equals 75. And then since this is a line, we really only need two points And that's going to be 25/0. So if these points alone, we can sketch our graph and we see that when we want an estimated price per chip for a demand of seven million chips, so that's going to be X equals seven. We see the price would be about 54. Um That's the price is 54 and then 11 million chips would be a price of about 42. So that's how we interpret this graph.


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