Estimate the number of newborns whose weight was less than 4001 grams.   (b) Estimate the number of newborns whose weight was greater than 1484 grams. (c) Estimate the number of newborns whose weight was between 3162 and 4840 grams.

Q: for this set of data, the standard deviation is equal to: 9,8,10,5,5,2,3,6,3

A: Mean:The formula for finding mean is shown below:

Q: The systolic blood pressure of 19-year-old women is normally distributed with a mean of 120 mmHg and…

A: According to the empirical rule,

Q: The gestation period for human births can be taken as normally distributed with a mean of 256 days…

A:

Q: n the state of Ohio, data has shown that 9% of adults are illiterate (lack basic reading and writing…

A: Solution: Given information: n1=300 Sample size of adults from Alabama n2=250 Sample size of adults…

Q: Suppose that the distribution of touchdowns (in football) is normally distributed with a mean of 250…

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

Q: According to data for a​ population, 3-year-old boys have a mean height of 38 inches and a standard…

A: given data normal distributionμ = 38 inchesσ = 2 inchesfor x = 42 inchespercentile = ?

Q: According to a health statistics center, the mean weight of a 20-to-29-year-old female is 156.5…

A: Formula for z score ,  z=x-μσ Where ,  μ is mean  σ is standard deviation

Q: The National Center for Health Statistics reports that the average systolic blood pressure for males…

A: Here, The claim to be tested is "The medical director of a large company believes the average…

Q: he mean length of one-year-old spotted flounder, in millimeters, is 124.8 with standard deviation of…

A: Given,μ=124.8σ=13.52P(X<x)=0.92x=?

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: What is the formula for a deviation score from a population?

A: Formula :

Q: A normally distributed set of data has been generated where 50% of the data lies below 97 and 70%…

A:

Q: 58.6. Assume that 107 men and 244 women were sampled, and that the standard deviations were 24.3 for…

A: Given that, The Pew Internet and American Life Project surveyed 351 adults in 2019, asking them…

Q: According to a medical journal, the distribution of weights of newborn babies is approximately…

A: The objective of this question is to find the percentage of newborn babies that weigh between 3100…

Q: A vending machine is designed to dispense a mean of 7.8 oz of coffee into an​ 8-oz cup. If the…

A: Let X be the random variable from Normal distribution with mean (μ) = 7.8 and standard deviation (σ)…

Q: lies

A: Let X be the random variable such that the  daily water usage per person in Quezon City. The daily…

Q: You are conducting a study to see if the proportion of voters who prefer Candidate A is…

A: Given data, Null hypothesis is Ho : p=0.37 Alternative hypothesis is Ha: p!=0.37 z=2.288 p-value=?

Q: The mean length of one-year-old spotted flounder, in millimeters, is 127 with standard deviation of…

A:

Q: The mean gas mileage for a hybrid car is 57 miles per gallon. Suppose that the gasoline mileage is…

A:

Q: Assume that the basic unit of the society incomes are normally distributed with mean ₱30,000.00 and…

A: Given : Let X be a r.v of  the society incomes X~N(μ=30000.00 , σ2=10000.00)  If the poverty level…

Q: The mean weight of a new- born baby is 7.58 pounds with a standard deviation of 0.67 pounds. Assume…

A:

Q: It has been reported that the standard deviation of the speeds of drivers on interstate -35 near…

A: It has been reported that the standard deviation of the speeds of drivers is 6.8 miles per hour for…

Q: The mean of a test score was 21.2 and the standard deviation was 5.1 . Identify the rest scores that…

A: Given Data Mean µ= 21.2. Standard Deviation σ= 5.1. Assuming that the given data is obtained from a…

Q: A nutritionist wants to determine how much time nationally people spend eating and drinking. Suppose…

A: A) option A is the answer. Answer : Since the distribution of time spent eating and drinking each…

Q: Last year, the revenue for medical equipment companies had a mean of 7070 million dollars with a…

A: The objective of this question is to find the percentage of medical equipment companies with revenue…

Q: The mean gas mileage for cars driven by the students at Chillville High Schoo is 28.0 miles per…

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

Q: banker finds that the number of times people use automated-teller machines (ATMs) in a year are…

A: We have given Mean(µ) = 40Standard deviations (σ) = 11.2X ~ N (µ, σ )= N(40, 11.2)

Q: Newborn babies: A study conducted by the Center for Population Economics at the University of…

A: Z = (x - u) /s u = mean = 3492 s = standard deviation = 872

Q: Assume that a data for pulse rates of 50 participants is ollected. The mean pulse rate has the mean…

A: Range rule of thumb: The values are significant if it is lies within 2 standard deviations away from…

Q: A researcher believes the mean weight of male turtles is more than 205 pounds, she samples 18 male…

A: Denote μ as the population mean weight of male turtles.   The claim is that the mean weight of male…

Q: A banker finds that the number of times people use automated-teller machines (ATMs) in a year are…

A: The mean is 40 and the standard deviation is 11.

Q: It has been found that with the standard dosage of a drug, the change in people’s uric acid levelis…

A: Given X is normal Distributed with mean µ = 240.0 and standard deviation σ = 60.0 now will using…

Q: Assume the average amount of caffeine consumed daily by adults is normally distributed with a mean…

A: The detailed solution is as follows below:

Q: In the month of July, the average electrical Eversource bill in Amherst Massachusetts is $72 with a…

A: Given data,Mean μ=72sd σ=6If n=15P(X<75)=?

Q: The mean gas mileage for a hybrid car is 57 miles per gallon. Suppose that the gasoline mileage is…

A: