Assume that population mean is to be estimated from the sample described. Use the sample results to approximate the margin of error and 95% confidence interval. n = 36, x = 64.4 seconds, s = 6.5 seconds The margin of error is seconds. (Round to one decimal place as needed.) ...

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A: Given,Mean(μ)=87standard deviation(σ)=4

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A: Given information- We have given the data on the average mercury level in the lake.

Q: The probability that a high school student has smoked marijuana is 46%. If 16 high school  students…

A: Given that  p=46%=0.46 n=16

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A: given data normal distributionμ = 74σ = 0.48

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A: GivenMean(μ)=11standard deviation(σ)=2.1sample size(n)=33

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A: 8 people selected for committee Total 30 candidates. nCr = n!/(r! *(n- r)!)

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A: select card from 52 card deck.    P(event) = no. of favorable outcomestotal outcomes

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Q: Exercise 9. Calories of Nuts The data show the number of calories per ounce in selected types of…

A: Exercise 9 Given The data is as follows: Types  Calories Peanuts 160 Almonds 170 Macadamia…

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A: Given Mean μ=24.8, standard deviations σ=7.2

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A: Solution: How to use t for this problem, using Excel's = confidence.t function instead of =…

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A: It is given that  n = 90 μ = 38 σ2 = 6

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A: box plot to 5 number summary construction minimum: = 30 , Q1 = 40, Q2 = 45, Q3 = 48, maximum = 53…

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A:

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A: Given information: μVerbal=450σVerbal=100μMathl=425σMath=110r =0.65

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A:

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A: SPA level Male Female Total High 28 46 74 Not High 92 94 186 Total 120 140 260

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A: Given that Sample size (n)=25 Sample mean (x̄)=20.85 minutes   Sample standard deviation (s)=2.45…

Q: Given that p(B│A) =.54, p(A│B) =.35, and p(B) =.48, find p(A).

A: Answer: - Given that p(B│A) =.54, p(A│B) =.35, and p(B) =.48.                Find p(A).

Q: For this experiment Consider a Grade School Class that has 23 males and 31 females. And we are going…

A: GivenNo.of male students = 23No.of female students = 31Total no.of students = 54

Q: GreenBeam Ltd. claims that its compact fluorescent bulbs average no more than 3.50 mg of mercury. A…

A: Given  Level of significance ɑ=0.01, mean μ=3.5, n=25, sample mean x̄=3.59

Q: Assume the readings on thermometers are normally distributed with a mean of 0°C and a standard…

A: Suppose a random variable X, defines the reading on thermometers.

Q: Complete the following table and use it calculate the probabilities given below.   B Bc Total A…

A: Method : P(Ac) = 1- P(A)

Q: For this experiment Consider a Grade School Class that has 23 males and 31 females. And we are going…

A: It is given that  Male = 23 Female = 31

Q: The accompanying data represent the miles per gallon of a random sample of cars with a…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

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A: (1) Obtain the probability that this runner's time will be between 23.1597 and 23.9597 minutes. The…

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A: given data n = 23 had mean of 76 . two more students take test and score 70 and 65. new mean  = ?

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Q: P is a probability density function on a Sample space of (1,2,3) P(1) = 0.38 P(3) = 0.33 Find the…

A: Farmula used  Sd(x)=√V(x)

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A: Given data:   Non-Hispanic whites Blacks Hispanics Good thing 180 154 144 Bad thing 107 105…

Q: -8 -6 -0-2- -0-1- 0.4 -0:3-

A: From the given graph, we have  Mean, μ = -6 Standard deviation, σ = 1

Q: How many ways can a jury of four men and three women be selected from twelve men and ten women?…

A: How many ways can a jury of four men and three women be selected from twelve men and ten women.