What percentage of pregnancies last beyond 307 days? P(X > 307 days) = %

Q: Using a cutoff of 0.05, is it unusual for an asthma patient to be 85 years old or older?

A: It is given that Total = 409743 Number of asthma patient 85 and up = 16768

Q: Eight hundred student took a 90-point standardized examination. After the examination, the students…

A:

Q: Find the z-score that corresponds to the cumulative area or percentile. (Roun

A: 1. The z score that corresponds to the cumulative area to 0.2090 is calculated below: PZ≤z=0.2090…

Q: If X ~ N(10,3), find the X value that is the 16th percentile.

A: From the provided information, Mean (µ) = 10 Standard deviation (σ) = 3

Q: The following table shows data about heart attack deaths in a certain town over one year.…

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Q: GRC students who took a Proficiency Exam had a u=84 and a=6 Find X such that 5% of the mean Exam…

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Q: Yesterday at CSMS 35 students were absent, and 615 students were present. What percentage of the…

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Q: fx) Area = 0.70 What percentile does x represent?

A: The percentile indicates the percentage of data that falls below a particular value. The 50th…

Q: An ad for seat belts claimed that proper usage of seat belts "reduces the chance of fatality in a…

A: Correct answer is  (A)

Q: air resistance can be ignored, how high does it go?

A: Given query is to find the height of the ball.

Q: A friend tells you that her savings account doubled in 9 years. Use the Rule of 72 to estimate what…

A: Given: Savings account get doubled in 9 years. Rule 72:  An amount will double when the product of…

Q: knowing the mean will be within ±0.5 mm?

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Q: c) the gestation time differs from the mean by more than 3 weeks. d) of 100 boys born in upstate NY…

A: Given, for males born in upstate NY, the gestation times are normally distributed with a mean of 39…

Q: What is expression for F RATIO (REPEATED MEASURES)?

A: Repeated Measures ANOVA is the one-way ANOVA used for dependent groups and is thus an extension of…

Q: A microbiologist wants to estimate the concentration of a certain type of bacterium in a waste-water…

A: A microbiologist puts a 0.5 mL sample of the wastewater on a microscope slide and counts 39…

Q: b) For which time periods during my exam was my heart rate decreasing? c) How many turning points…

A: Since you have asked multiple part question, we will solve the first 3 part of the question for you…

Q: Researcher reports an F-ratio with df = 2, 27 from an independent-measures research study. How many…

A: Given, Researcher reports an F-ratio with df = 2, 27 from an independent-measures research study.

Q: The time to failure (in hours) of fans in a personal computer can be modeled by an exponential…

A: Solution

Q: You flip a fair coin 16 times in the air. What is the relative frequency of this coin landing on…

A: One method for making information clear and easy to understand is to structure it in a frequency…

Q: bryan's tennis team won 15 out of their first 20 games .if they continue to win at this rate how…

A:

Q: You find out that there were 50 new cases of T1DM reported between January 2014 and January of 2016.…

A:

Q: In an experiment, a flask of water is heated. The temperature of the water is recorded in the table.…

A: Using the data, make scatter plot and then generate a least square line. To generate the scatter…

Q: Calculate the coefficient of alienation.  Predict the Y

A: Given information: The data represents the values of the variables x = hours and y = quiz.

Q: ep 5 of 5: Find the percentage of students that scored higher than 80.5. Round your answer to the…

A: Given:  Histogram of score with corresponding frequency Score:     70.5-75.5, 75.5-80.5, 80.5-85.5,…

Q: X~N(12,3) Find the 87.7 th percentile X.

A: Obtain the value of the 87.7th percentile X. The value of the 87.7th percentile X is obtained below…

Q: Anaesthesia death rate is 0.4777% 0.4237% 0.2874% 0.4782% 0.5237%

A: Given : Total surgeries performed = 1692 Total anesthesia administered  = 1652

Q: Lengths of pregnancies of humans are​ N(268 days, 16​ days). Use the Empirical Rule to determine the…

A: The percentage of women whose pregnancies are between 252 and 284 days is obtained below:It is given…

Q: Find the 35 percentile of x, Round the answer to two decimal places. The 35 percentile is

A: A sample of size 86 will be drawn from a population with mean 90 and standard deviation 24. 2. We…

Q: Vhat percentage of values lie below 3?

A:

Q: We travelled back in time and discover the true reason that dinosaurs went extinct-they started…

A: Given: Total dinosaurs=3797Number of dinosaurs smoked=2341Number of dinosaurs who smoked and died of…

Q: What is the scale factor of a dilation from LMNP to DEFG? Enter your answer as a decimal in the box.

A:

Q: iii) What percentage of batteries last less than 20 hours? More than 20 hours? iv) Find the median…

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Q: What is the approximate percentage of students who scored between 29 and 71 on the test? Round to…

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Q: A researcher reports an F-ratio with df= 3,27 for an indenpendant measure research study. a. How…

A: a. The given degrees of freedom are 3,27. The number of treatment conditions were compared in the…

Q: A population of N=15 scores has a mean of  One score in the population is changed from X=20 to X=5.…

A: Given information- Population, N = 15 scores Mean, μ = 1 score We have to find new population mean,…

Q: A radioactive element has a half-life of 55 days. What percentage of the original sample is left…

A: we have to find the percentage

Q: The researcher is 95% confident that the population average temperature is within the temperature…

A: HERE given ,  n= 10  here given data of 10  temperature (in degrees of Fahrenheit )

Q: If you copy a document on a machine, you should get a similar copy. Suppose you want to reduce a…

A: Let the Original size of the document be x. Now desired document size is 16x and 25% size has…

Q: 1.) A pine tree measured 40 ½ feet tall. Over the next 7 ½ years, it grew to a height of 57 feet.…

A: Growth rate is obtained by increase in the height divided by time taken for the amount of change.

Q: A researcher reports an F-ratio with df = 2, 18 from an independent measures research study. Based…

A: From the given information, Df treatment = 2 and Df Error = 18.   Df treatment = Number of…

Q: cigarettes. Compute an estimate based on this sample for the proportion p of U.S. adults in 2010…

A: It is given that  Population proportion = 44% = 0.44 Sample size, n = 1474 Favourable cases, X = 702

Q: O mean increases by 7.6

A:

Q: According to the model from part (a), what percentage increase in weight can be expected if height…

A: (b) In this part, we find the percent change in weight for given height change and used the model…

Q: Geiger counter records 100 radioactive decays in 5 minutes. Find an approximate 95% interval for the…

A: Given: 100 radioactive decays in 5 minutes

Q: This exercise uses elementary properties of the Richter Scale. If the relative intensity of a quake…

A:

Q: What percentage of pregnancies last beyond 254 days? P(x > 254 days) = P(z >

A: Here, µ = 268, σ = 14.

Q: ng table shows the Consumer Price Index (CPI), which uses the year 1983 D%). What is the equivalent…

A: In this question we will use basic of calculus. We will simply find the 100% of salary by use that…

Q: Ranking a group of cities in terms of "quality of life" would be an example ofmeasurement on…

A: There are two types of variable: Quantitative and Qualitative. Quantitative variable is the one…

Q: Home values in a town have declined 27 % per year for each of the past four years. What was the…

A: It is given that, home values in a town have declined 27% per year for each of the past four…

Q: A sample of students is to be selected to estimate the proportion who have recieved a medical…

A: The known values are,   The sample proportion is, Critical values: By using the standard normal…