80 adults over 50, what is the mean and standard deviation of those that wear sunglasses? Select one: а. mean: 63.2; standard deviation: 7.94984277 b. mean: 16.8; standard deviation: 7.94984277 С. mean: 63.2; standard deviation: 3.64307562 d. mean: 16.8; standard deviation: 3.64307562

Q: Doesn't seem like any of these answers work.

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Q: I only want to know how to input the formulas into an excel spreadsheet for both step 2 and 3.…

A: Given data is…

Q: How can I solve question 27?

A: Given percentages for the countries are below: C: 71.9% F: 59.6% I: 76.1% UK: 45.5% US: 45.3%

Q: Can you do question d? Please show step-by-step solutions. Please do not skip steps. Also, please…

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Q: 1. U.S. oil reserves are estimated at 29 billion barrels, and we currently produce about 6 MBPD. How…

A: Given  Oil reserves =29 billion barrels 1 billion = 1000million  Current production= 6 million…

Q: Can you please help me solve this in detail so I can understand it better? I don't feel confident…

A: Take LCM then solve

Q: I need more help on this

A: Given information: μ=151000σ=35000 n=77

Q: Answer this problem correctly

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Q: I cannot figure out how to solve this equation.  I think I am missing some steps:   Twice the…

A: Given,           Twice the sum of three consecutive even integers is 18 more than five times the…

Q: is there no step 3 to this solution? and why does it end like that like what exactly would be the…

A: There is no any step 3. i am going to derive equation again.

Q: Given az Find

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Q: an more work be shown on how to solve this

A: By using a scalar projection to find the shortest distance from the point 1,-2, 5to the plane given…

Q: Could I have some help with this, I'm trying so hard to relearn all of these to help my son with his…

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Q: this answer is wrong, is there any way we could find the correct solution?

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Q: I need help on this practice problem.

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Q: How would I solve these?

A: Since you have asked multiple questions in a single request, we will be answering only the first…

Q: I'm sorry to bother, but it's hard for me to read the answer you give. Could you rewrite the…

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Q: I am not sure how to even go about solving this.

A: The following is the formulae to calculate Weighted Average (W)…

Q: can you work it out step by step

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Q: Can you explain the second question/step 2 more clearly? I'm having trouble following what to do.

A: We have to find the values at which x2 + y2 = 8 passes the vertical line test.

Q: Can you help me step by step with this problem?

A: The given is:

Q: x₁ + x₂ + 2x₂ = 8 -x₁ - 2x₂ + 3x₂ = 1 3x₁ - 7x₂ + 4x₂ = 10

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Q: b. Using the formula we learned in class during module 3 (Z = s/Vn Sh), find the Z-value associated…

A: (b)

Q: Does there happen to be more to this solution? I still can't quite follow

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Q: Hello sir or madam, the answer is not going through. I tried to work it, but im not able to solve…

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Q: Please I need help with solution D

A: The random sample of size, The null and alternative hypotheses are:The test statistic is, Note:- The…