The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 121 and standard deviation of 19 . Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher. a. Around what percentage of adults in the USA have stage 2 high blood pressure? Give your answer rounded to two decimal places.

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A: P(X<500)=Pz<500-540100=P(z<-0.4)=0.3446=34.46% Therefore the correct option is A option.

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Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.2…

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Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 121…

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Q: Systolic blood pressure readings are normally distributed with a mean of 121 and a standard…

A:

Q: a. Which test do we use? b. Using this test, decide if there is a difference between the two groups.

A: x = 81.9 y = 86.1 s1 = 9.8 s2 = 10.3 n1 = 64 n2 = 175

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Q: he lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation…

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A: Given Solution: The following is the data provided:

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Q: You want to know the percentage of utility companies that earned revenue greater than 94 million…

A: Given Mean(μ)=60standard deviation(σ)=15

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.