How many participants had a heart rate between 130 and 150 bpm?

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

A:

Q: What is GH? 77 I GH = LL

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Q: Records show that 13% of all college students are foreign students who also smoke. It is also known…

A: Conditional probability- It is known a sample space consists of all probable outcomes of an…

Q: What is MSw?

A: Solution Msw=1

Q: In a class with 25 student there are 6 student very talentet in the subject of art. What percentage…

A:

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

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

Q: Describe about LSD TEST?

A: Post hoc tests: The tests which are used to analyze the differences for all possible pairs of group…

Q: What percentage of students guessed that I was between 43 and 50? Seventeen percent of the class…

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Q: A sample selected from a population gave a sample proportion equal to 0.60.

A:

Q: To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes…

A: 16 State the hypotheses. That is, there is no evidence that the mean nicotine content exceeds 27.9…

Q: How many percent of students have a shoe size between 5" to 6.5"? % (Input the NUMBER ONLY, no other…

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

A:

Q: What is SST?

A: Solution SST=32

Q: Imagine that the pregnancy test accurately indicates pregnancy in 97.5% of the people who have it.…

A: The miss rate will be 2.5%

Q: What is mCD?

A: Consider the given figure.

Q: Biologists studying horseshoe crabs want to estimate the percent of crabs in a certain area that are…

A: According to the provided data, a biologist wants to estimate the percent of crabs in a certain area…

Q: The employee's mistake would have the following effect: The median would stay the sameincrease…

A:

Q: Every year, the students at a school are given a musical aptitude test that rates them from 0 (no…

A: Average: Given information: x f x*f 0 1 0 1 3 3 2 5 10 3 0 0 4 4 16 5 3 15     44…

Q: A doctor notes her patient's temperature in degrees Fahrenheit every hour to make sure the patient…

A: Given that we are measuring patients temperature in degrees Fahrenheit. The level of measurement of…

Q: ahat is measure of dispersion? explain how it does.

A: Measure of dispersion is part of Descriptive Statistics

Q: Anger/ Heart No Heart Disease Disease Disease Low 31 3079 Moderate 63 4668 High 18 615

A: Given Information: Anger/ Disease Heart Disease No Heart Disease Total Low 31 3079 3110…

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: What is GH? 56 68 56

A:

Q: 5. In a particular lake, you tagged 80 bass. Later that week, you sampled 240 fish, and found that…

A: Given,          In a particular lake, you tagged 80 bass. Later that week, you sampled 240 fish,…

Q: What similarities do the Caribbean and Central America share with other regions in the Western…

A: We have to write about similarities

Q: The relative risk of developing lung cancer among individuals who smoke is 15.0. Which of the…

A: Relative risk is the ratio of probability of an outcome in an exposed group to the probability of an…

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: What is the frequency of deaths measured from 2000 through 2004

A: We have to find the frequency of death measured from year 2000 to 2004

Q: What is a scale

A: scale  is the tool or equipment to measure something.

Q: percent of the families in the city had incomes between $18,000 and $25,000? 3 % per $1,000 1 15 25…

A: 1) Given that - a = 15000 and b = 25000

Q: A country has a population of 62 million. (a) Last year, there were 23,085 traffic fatalities. Find…

A: Given that, Population n = 62 million. For 62000000 population, fatility = 23085

Q: What percentage ) What percentage of the people do not smoke? of the people do not exercise…

A: The data is given by   Smoke Do not smoke Total Exercise regularly 4 21 25 Do not exercise…

Q: What Percentage of deaths occurred after 2006?

A:

Q: Deflation is..

A: Given, To define deflation

Q: We take a coin and flip it 10, 000, 000 times. We notice that 6, 010, 375 times it landed on heads.…

A: The coin is flipped 10,000,000 times and it lands on head 6,010,375 times.

Q: A community has a population of 76,000. A total of 3,650 deaths were reported during the past year.…

A: Given problem is : A community has a population of 76,000. A total of 3,650 deaths were reported…

Q: How many values are in the range 0 to 65?

A:

Q: The Humane Society is interested in finding out how many households in America have at least one…

A: The provided information are: Confidence level = 95% = 0.95 Margin of error (E) = 4% =0.04 From the…

Q: What is the average miles per gallon (mpg) for all new cars? Using Consumer Reports, a random sample…

A:

Q: A manufacturer offers to sell a device for counting lightning flashes during thunder storms. The…

A: The device can record up to 5 distinct flashes per minutes.

Q: Marcus rolls 2 number cubes, each numbered from1 to 6. He rolled an even sum 16 times and an odd sum…

A: Given that  Even sums=16 times Odd sums=10 times  Find relative frequency of the even sums

Q: State the generic error for an interpolating formula?

A:

Q: how many classes are there and what is the class width? what is the what is the percentage of…

A: From the given frequency table find # classes = ? width =? x =# of hours played video game P(…

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: When estimating the population proportion, how large a sample is needed to be 95% confident that the…

A: Here  sample proportion = 42/120= 0.35

Q: how do you determine how many observations are in the first class of a stem and leaf chart

A: The objective is to infer the no. of observations (or frequencies) in the stem-and-left plot.

Q: A diastolic blood pressure greater than 90 is classified as hypertension (high blood pressure). What…

A:

Q: Twenty college students took a practice GRE test at the start and end of a home preparation course.…

A: The Student's t-test for paired observations is used to compare the means of two related…

Q: Rene scored at the 84th percentile on a test given to 12,600 students. How many students scored…

A: Given Rene scored at the 84th percentile a test given to 12,600 students.   How many students scored…

Q: What percentage of IQ's are: a Greater than 95? b. Less than 120? c. Between 90 and 110?

A: Let X be the random variable from Normal distribution with mean (μ) = 100 and standard deviation (σ)…