QUESTION 8 The daily electrical energy consumption (in Watts) during July for a random sample of 49 households was recorded. The mean was 4481 W and the standard deviation was 340 W. Find the upper confidence limit (UCL) of the 95% confidence interval for the mean daily electrical energy consumption during that month. Round your answer to the nearest whole number (integer).

Q: deviation of 5 grams. If you pick 23 fruits at random, then 9% of the time, their mean weight will…

A: Given Let X be the mean weight in grams Given that X is normally distributed with mean =455 gram…

Q: You measure 39 dogs' weights, and find they have a mean weight of 49 ounces. Assume the population…

A: Given,sample size(n)=39sample mean(x¯)=49standard deviation(σ)=6.8α=1-0.99=0.01α2=0.005Z0.005=2.58…

Q: A particular fruit's weights are normally distributed, with a mean of 381 grams and a standard…

A: Given μ=381σ=25n=33

Q: last a. Find probability that the average amount of time required to make an oil change in the…

A: It is given asMean = 35.6Standard deviation = 7.5Sample size = 100

Q: A particular fruit's weights are normally distributed, with a mean of 783 grams and a standard…

A: Given: Population mean (µ) = 783 Population standard deviation (σ) = 20 Sample size (n) = 24…

Q: A particular fruit's weights are normally distributed, with a mean of 771 grams and a standard…

A: Solution: Let X be the weight of a particular fruit. From the given information, X follows normal…

Q: Assume that a procedure yields a binomial distribution with a trial repeated n = 14 times. Use…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A particular fruit's weights are normally distributed, with a mean of 653 grams and a standard…

A: Given: A particular fruit's weights are normally distributed, mean   653 grams  standard deviation…

Q: imagine we have 4 observations. the values lie  0 - 25 (inclusive, and repeats are allowed).  What…

A: Solution-:We have 4 observations. the values lie  0 - 25 (inclusive, and repeats are allowed).  What…

Q: The class mean for the exam was 82 with a standard deviation of 6.  There are 37 students in the…

A: We have given that, Mean = 82 , standard deviation σ = 6  sample size n = 37   Standard error of the…

Q: A particular fruit's weights are normally distributed, with a mean of 580 grams and a standard…

A: Mean  A measure of central tendency for a dataset such that the entire observations in the dataset…

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: Engineers must consider the breadths of male heads when designing helmets. The company researchers…

A: Given : Population Mean,μ = 6.3 Population Standard Deviation,σ = 1.1

Q: Question 4 You have taken 10 observations from normally distributed data that is known to have a…

A: Given data: Population standard deviation = 1 Sample size = 10 Sample mean = 32 To calculate  the…

Q: A particular fruit's weights are normally distributed, with a mean of 657 grams and a standard…

A: Let X: a particular fruit's weightsX~N(μ,σ)where mean(μ)=657 grams  standard deviation(σ)=38 grams…

Q: Give your answer to the nearest gram.

A: From given data we have : μ=678,σ=8,n=13

Q: 5. A random sample of 43 foreign language movies made since the year 2000 had a mean length of 112.5…

A: Here, the parent distribution from which the sample is taken is unknown and also, the population…

Q: A particular fruit's weights are normally distributed, with a mean of 222 grams and a standard…

A: Solution: Let X be the  fruit's weights are normally distributed with mean 222 grams and standard…

Q: t random, then 8% of the time, their mean weight will be greater than how many grams? Give your…

A: According to the sum, A particular fruit's weights are normally distributed, with a mean of 596…

Q: A particular fruit's weights are normally distributed, with a mean of 405 grams and a standard…

A: The normal distribution is the most useful theoretical distribution for continuous variable.  For…

Q: A particular fruit's weights are normally distributed, with a mean of 367 grams and a standard…

A:

Q: Suppose that the heights of college women follow a normal distribution with a mean 65 inches and a…

A: Let X represent the heights of college women Mean=65 Standard deviation=2.5   X~ Normal (65, 6.25)…

Q: Two friends, Karen and Jodi, work different shifts for the same ambulance service. They wonder if…

A: We have,

Q: A particular fruit's weights are normally distributed, with a mean of 256 grams and a standard…

A: given data  normal distribution μ = 256σ = 29n = 8P(x¯>z) = 0.17

Q: Thirty randomly selected students took the calculus final. If the sample mean was 74.2 and the…

A: From the provided information, Sample size (n) = 30 Sample mean (x̅) = 74.2 Standard deviation (s) =…

Q: The population weights of a particular fruit is normally distributed, with a mean of 689 grams and a…

A: Given: μ = 689 σ = 30 n = 18 The value of z at 4%, i.e., corresponding to the right to the 4% area…

Q: Suppose that a category of world class runners are known to run a marathon (26 miles) in an average…

A: Given that μ=142σ=13n=49

Q: Exhibit 9-22 The manager of a grocery store has taken a random sample of 36 customers. The average…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 302 grams and a standard…

A: From the provided information, Mean (µ) = 302 grams Standard deviation (σ) = 16 grams X~N (302, 16)

Q: It takes an average of 12.5 minutes for blood to begin clotting after an injury. An EMT wants to see…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 421 grams and a standard…

A: Given Population Mean, μ=421 Population standard deviation, σ=20 Sample size, n=3

Q: A particular fruit's weights are normally distributed, with a mean of 208 grams and a standard…

A: We have to find mean value for given  data .

Q: A particular fruit's weights are normally distributed, with a mean of 465 grams and a standard…

A: Solution: Let X be the weight of a particular fruit. From the given information, X follows normal…

Q: A study of 77 golfers showed that their average score on a particular course was 93. The st.dev. of…

A: 1). Assume, μ  be the population mean golfers score. x be the random variable representing the…

Q: A particular fruit's weights are normally distributed, with a mean of 431 grams and a standard…

A: Let X be the mean weight in grams. X is normally distributed with mean, μ=431 grams and standard…

Q: A particular fruit's weights are normally distributed, with a mean of 678 grams and a standard…

A: Normal distribution is a continuous probability distribution which has many real life applications.…

Q: A particular fruit's weights are normally distributed, with a mean of 648 grams and a standard…

A: The population mean and standard deviation are 648 grams and 16 grams respectively. It is given that…

Q: The manager at UPS feels that the weights of packages shipped recently are less than in he past.…

A: Given  Population mean μ=36.7, standard deviations σ=14.2, level of significance=0.01, n=64, sample…

Q: 99% confidence interval for the mean of entire student.

A:

Q: If you pick 25 fruits at random, then 9% of the time, their mean weight will be greater than how…

A:

Q: A particular fruit's weights are normally distributed with a mean of 598 grams and a standard…

A: Given  mean= 598, standard deviations=34, n=4

Q: how many beers must we sample? Round to the nearest beer.

A:

Q: ive a life expectancy of x = 71.5 years with a standard deviation of s, = 6.6 years. A sample of 6…

A: According to guidlines we can strickly answer three subspartsRural town:Sample size Sample mean…

Q: A particular fruit's weights are normally distributed, with a mean of 284 grams and a standard…

A: From the provided information, Mean (µ) = 284 grams Standard deviation (σ) = 32 grams X~N (284, 32)

Q: Calculate z scores from two samples "he tallest living man at one time had a height of 252 cm. The…

A: Given data,Mean is μ=170.25sd is     σ=8.47

Q: It takes an average of 8.4 minutes for blood to begin dlotting after an injury. An EMT wants to see…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: The average age of senators in the 108th Congress was 62 years. If the standard deviation was 12.5…

A: Solution: Let X be the age of senator. From the given information,

Q: A particular fruit's weights are normally distributed, with a mean of 422 grams and a standard…

A: The following information has been given: The population mean is μ=422. The population standard…

Q: A particular fruit's weights are normally distributed, with a mean of 442 grams and a standard…

A: Given n=9 Mean=442 Standard deviation=35