Suppose that the price of an item is normally distributed with a mean of 50 and a standard deviation of 10 then the 35th percentile of the item price is closest to a. 59. O b. 0.39 O C. 54. O d. -0.39 O e. 46.

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed,…

A: Given, The points of final exam follows normal distribution with mean 73 and standard deviation 8.…

Q: Given that the mean of a data set is 20, and the standard deviation of this data set is 8, then what…

A: According to the answering guidelines, we can answer only one question at a time and the rest can be…

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed,…

A: Given data, Mean = 69 SD = 7

Q: Suppose that the price of an item is normally distributed with mean 50 and standard deviation 10…

A:

Q: According to a research paper, the carbon monoxide exposure of someone riding a motorbike for 5 km…

A: From the provided information, Mean (µ) = 18.4 ppm Population standard deviation (σ) = 5.3 ppm X~N…

Q: A professor at a local university noted that the grades of her students were normally distributed…

A: Given  X~N(mu=76, sigma^2=10^2) Note: According to Bartleby an expert can solve only one question…

Q: In a normally distributed data set with a mean of 24 and a standard deviation of 4.2, what…

A:

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed,…

A: Given μ= Mean =71 σ= standard deviation =8  Top​ 10% receive​ A's  Next​ 20% received​ B's Middle​…

Q: The grades on a midterm were Normally distributed with a mean of 120 and a standard deviation of 17.…

A: GivenMean(μ)=120standard deviation(σ)=17

Q: Suppose the people living in a city have a mean score of 35 and a standard deviation of 10 on a…

A: Heh there! Thanks for posting the question. Your question has more than three sub-parts. However, we…

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed,…

A: Given, final exam score follows normal distribution mean 73 and standard deviation 8. Grades are…

Q: John beale of stanford, ca, recorded the speeds of car driving past his house, where the speed limit…

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: Suppose that the scores on a statewide standardized test have a bell shape distribution with a mean…

A: Given that Mean = 79,s.d=6 (b) P(X>97 )=? (c) P(X<73) =? (d)P(61<x<85) =?

Q: Suppose that, for a certain mathematics class, the scores are normally distributed with a mean of 75…

A:

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5 find P(X <…

A:

Q: In a large section of a statistics class, the points for the final exam are normally distributed,…

A:

Q: her wishes to give A’s to the top 8% of the students and F’s to the bottom 8%. The next 10% will be…

A: given: mean(μ)=78 sd(σ)=8

Q: I don't understand how to solve for this. I'm having trouble understanding the percentages

A: Let us define the random variable X as the points for the final exam that are normally distributed…

Q: Given that the mean for a data set is 24.8 and the standard deviation is 2.3, find the z-score of…

A: It ia given that Mean = 24.8 SD = 2.3 Value X = 27

Q: Suppose a population is known to be normally distributed with a mean, µ, equal to 116 and a standard…

A:

Q: On a normal distribution, four participants obtained the following deviation scores: –5, 0, +3, and…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: n a large section of a statistics​ class, the points for the final exam are normally​ distributed,…

A: The mean incubation time 69 and standard deviation 8 The lowest score for A is calculated as…

Q: acher wishes to give A’s to the top 8% of the students and F’s to the bottom 8%. The next 10% will…

A: Given that  A teacher wishes to give  A’s to the top 8%  of the students F’s to the bottom 8% of the…

Q: For a population with a standard deviation of a =6, what is the score corresponding to a score that…

A:

Q: Given that the mean weight of senior high school students is 65kg with a standard deviation of 10kg.…

A: given that ; let random variable X be a weight of senior high school students.and mean(μ)=65 kg…

Q: Suppose a normal distribution has a mean of 79 and a standard deviation of 7. What is P(x 93)? O A.…

A:

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed,…

A: Finding the lowest score that would qualify a student for an A grade:The points for the final exam…

Q: A study at school showed that the mean number of students in a class was 20 with a standard…

A: Given mean number is 20 = m Given standard deviation is 7 = sd Given student number is 24 = x We…

Q: Refer to the accompanying table, which describes the number of adults in groups of five who reported…

A: From the provided information, X 0 1 2 3 4 5 P(x) 0.169 0.363 0.306…

Q: a) About 68​% of organs will be between what​ weights? ​(b) What percentage of organs weighs between…

A: Let , X→N(μ=300 , σ=25) Use the empirical rule to determine the following :  (a) About 68​% of…

Q: In a large section of a statistics class, the points for the final exam are normally distributed,…

A:

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed,…

A: The mean incubation time 69 and standard deviation 18 The cutoff for A is calculated as follows:…

Q: The following percentages of chloride were found: 32.52%, 32.14%, 32.61%, and 32.75%? a. find the…

A: Given that,       32.52%, 32.14%, 32.61% and 32.75

Q: en the name-brand drug (control group). In the control group, the deviation of 11.5 mmHG. In the t a…

A:

Q: Given that a data set has a mean of μ=32.7 and a standard deviation of σ=1.8, find the percent of…

A: As per company guidelines I solved exactly three subparts of the question.thank you

Q: The mean June midday temperature in Desertville is 36°C and the standard deviation is 3°C. Assuming…

A: Determine the number of days in June would be expected the midday temperature to be between 39°C and…

Q: Suppose that, for a certain mathematics class, the scores are normally distributed with a mean of 75…

A: The mean is 75 and the standard deviation is 7.

Q: Given that the mean weight of senior high school students is 65kg with a standard deviation of 10.…

A: Given information Population mean µ = 65 kg Standard deviation σ = 10 We have to determine the…

Q: (O) What is the standard deviation of a distribution that has a mean of 46.2 if a PERFORMANCE value…

A: From the provided information, Mean (µ) = 46.2 Performance value (x) = 28 Z score = -1.24

Q: Suppose the heights of the members of a population follow a normal distribution. If the mean height…

A:

Q: The results of a calculus exam are normally distributed with a mean of 76 and a standard deviation…

A:

Q: Suppose the people living in a city have a mean score of 35 and a standard deviation of 10 on a…

A: Note: Hey, since there are multiple subparts posted, we will answer first three subparts. If you…

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed,…

A: Given Information :  In a large section of a statistics​ class, the points for the final exam are…

Q: (d) What height is at the 20th percentile? (e) What height is at the 80th percentile? (f) What…

A: mean = 70 s = 4

Q: Refer to the accompanying​ table, which describes the number of adults in groups of five who…

A: Mean :-  ∈x = ∑  ×. Px                           ∈x =…

Q: The distribution of the number of dill pickle spears in a gallon container is approximately Normal…

A: Solution

Q: John beale of stanford, ca, recorded the speeds of car driving past his house, where the speed limit…

A: Given: μ=23.84σ=3.56 a) The Z score is obtained as below: z=x-μσ=20-23.843.56=-3.843.56=-1.08 Thus,…

Q: Multiple questions

A: Given dataMean = 71Standard Deviation = 8a)The Lowest Score for A grade is given by p-value will be…

Q: Assume that the heights of adult puffins are normally distributed, with a mean of μ=μ= 15.9 inches…

A: Given data, μ= 15.9  σ= 2.7  n=28 mean of the distribution of x¯  =?

Q: In a large section of a statistics​ class, the points for the final exam are normally​ distributed,…

A: Given, Mean = 71 SD = 8