Integrated circuits consist of electric channels that are etched onto silicon wafers. a certain proportion of circuits are defective because of "undercutting," which occurs when too much material is etched away so that the channels, which consist of the unetched portions of the wafers, are too narrow. a redesigned process, involving lower pressure in the etching chamber, is being investigated. the goal is to reduce the rate of undercutting to less than 5%. out of the first 1000 circuits manufactured by the new process, only 36 show evidence of undercutting. can you conclude that the goal has been met? find the p-value and state a conclusion.

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step-by-step explanation:

d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;

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step-by-step explanation:

it me < 3

w< 4

step-by-step explanation: