Suppose a computer chip manufacturer finds that 20% of the chips produced during thedevelopment phase of a new chip fail testing. Assume the failures are independent. What is theprobability that that 5 or more chips will fail test out of the next 20 tested?Enter your answer as 0.XXXX accurate to the 4th decimal place.

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Answered: opose a computer chip manufacturer…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Among the 1018 respondents, 54 said that cellular phones are “not at all annoying.” what percentage of respondents said that cellular phones are “not at all annoying.” Round to two decimal places as needed.
A random sample of 12 song lengths (in minutes) on a playlist found: = 278.3, s = 19. Build a 80% CI for the population mean length of a song on the playlist. Round all intermediate calculations to two decimals, then construct the Cl and enter like this: (min,max). Note: if you use a built-in Cl command on a calculator/computer, you might get marked wrong due to rounding. Use the formulas given in the text/notes. a. Since n < 30, We use a Z-interval O We use s, not o O It is important that song lengths be normally distributed O We use a T-interval b. The Cl is: Submit Question
A survey showed that 32% of human resource professionals are at companies that rejected job candidates because of information found on their social media. If 25 human resource professionals are randomly selected, would 14 be a significantly high number to be at companies that rejected job candidates because of information found on their social media? Why or why not? Select the correct choice below and fill in the answer box within your choice. (Round to four decimal places as needed.) OA. No, 14 would not be significantly high because the probability of 14 or more is OB. Yes, 14 would be significantly high because the probability of 14 or more is OC. Yes, 14 would be significantly high because the probability of 14 or more is D. No, 14 would not be significantly high because the probability of 14 or more is which is low. which is not low. which is low. which is not low.
A researcher claims that at least 10% of all football helmets have manufacturing flaws that could potentially cause injury to the wearer. A sample of 200 helmets revealed that 16 helmets contained such defects. Does this finding support the researcher's claim? Use a = 0.03. Find the P-value. The proportion of football helmets with flaws The P-value is i ✓ 10%. . Round your answer to four decimal places (e.g. 12.3456).
The post-lunch dip is the drop in mental alertness after a midday meal. Does an extract of the leaves of the ginkgo tree reduce the post-lunch dip? Assign healthy people aged 18 to 40 years to take either ginkgo extract or a placebo pill. After lunch, ask them to read seven pages of random letters and place an X over every e. Count the number of misses per line read. M. K. Pawlik, "The effect of ginkgo biloba on the post-lunch dip and chemosensory function," MS thesis, Purdue University, 2002. What is a placebo and why was one group given a placebo? A placebo is a treatment pill that is presented to the individuals as a control treatment. A placebo is a lower-strength version of the pill that allows researchers to account for any physiological effect of taking the pill. O A placebo is an inert pill that allows researchers to account for any psychological effect of taking the pill. A placebo is a different pill that allows researchers to account for any variational effect of taking the…
The worldwide market share for a web browser was 20.5% in a recent month. Suppose that a sample of 200 random students at a certain university finds that 50 use the browser. Calculate the test statistic. ZSTAT=______ (Type an integer or a decimal. Round to two decimal places as needed.)
d. There is a 30% chance that X is above what value? X= (Type an integer or decimal rounded to two decimal places as needed.)
A federal report indicated that 28% of children under age 6 live in poverty in Kentucky, an increase over previous years. How large a sample is needed to estimate the true proportion of children under age 6 living in poverty in Kentucky within 5% with 90% confidence? Round the intermediate calculations to three decimal places and round up your final answer to the next whole number. n =
Many college and university students obtain summer jobs. A professor wanted to determine whether students in different degree programs earn different amounts. She randomly selected five students in each of the 5 university programs and asked them to report what they earned the previous summer (in thousands of dollars). The following partially filled in ANOVA table was obtairned. Fill-in the rest of the table. (Use exact values for df and round all other nurmbers to 2 decimal places, if needed) Source SS MS F-Stat JP. Treatments 11.8 Error Total 25.6 Check
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A large automobile insurance company selected samples of single and married male policyholders and recorded the number who made an insurance claim over the preceding three-year period. Single Policyholders Married Policyholders n1=550 n2=1,000 Number making claims = 110 Number making claims = 150 a. Use a=0.05 Test to determine whether the claim rates differ between single and married male policyholders. z-value (to 2 decimals) p-value (to 4 decimals) b. Provide a 95% confidence interval (to 4 decimals) for the difference between the proportions for the two populations. Enter negative answer as negative number. ( , )
Express each of your first five answers as a decimal and round to the nearest 0.001 (in other words, type 0.123, not 12.3% or 0.123456).What fraction of survey respondents identified themselves as Democrats? What fraction of survey respondents thought the economy was getting better? What fraction of Democrats thought the economy was getting better?

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