Suppose the monthly charges for cell phone plans are normally distributed with mean u= $63 and standard deviation o = $18. (a) Draw a normal curve with the parameters labeled. (b) Shade the region that represents the proportion of plans that charge less than $45. (c) Suppose the area under the normal curve to the left of X = $45 is 0.1587. Provide an interpretation of this result. (a) Choose the correct graph below. O B. Oc. OD. OA. 27 45 63 27 63 99 63 81 99 45 63 81

Q: Heights for group of people are normally distributed with mean = 66 inches and standard deviation =…

A: Given that mu = 66 , s.d =3.9

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A: Hi there! Thanks for posting the question. Since there are multiple subparts we will solve first…

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A:

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A: Mean=1.99s=0.84

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Q: Suppose the birth weights of full-term babies are normally distributed with mean 3250 grams and…

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Q: 16.)Find the percent of the area under a normal curve between the mean and the given number of…

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A: Which of the following is not a characteristic of a normal curve :-

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A:

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Q: answers to four decimal places.) (a) Between 63 inches and 67 inches. P =  (b) Between 61 inches…

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

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Q: Heights for group of people are normally distributed with mean = 66 inches and standard deviation =…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

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A:

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A: Note: Hey there! Thank you for the question. As you have posted several different questions…

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A: We have to find correct answer..