What is probability? It is known that typhoid in a rural community has a prevalence of 5%. Determine the probability of finding 3 of such individuals from 10 randomly selected persons in the community. (i) Determine the probability of finding more than 3 of such individuals from 10 randomly selected persons in the community.  (ii) The mean weight of students in a university is 65 Kg with a standard deviation of 5kg. What would be the probability of finding students with weight between 60kg and 70kg. (Assume weight to be normally distributed).?

Q: Find the mean, median, mode of the following ungrouped data. Then Identify if the mode unimodal,…

A: The data set is 3,1,6,8,3,2,1,7, 5.

Q: Match the level of measurement with the variables or measures listed. Length of hospital stay Income…

A: Given that:Four level of measurement:A. NominalB. IntervalC. Ratio D. Ordinal10 different variables…

Q: A basketball player, Lebron James, has a career free throw percentage of 0.73. At a random game he…

A: Given that n=21,p=0.73

Q: Consider the following values:  ∑x=30; ∑y=111;         ∑xy=119; ∑x^2=18; ∑y^2=25; n=6.  Determine…

A: GIven data∑x=30 , ∑y=111 , ∑xy=119, ∑x2=18, ∑y2=25n=6

Q: A weatherman stated that the average temperature during July in Baguio City is less than 20 degrees…

A: Given that A weatherman stated that the average temperature during July in Baguio City is less than…

Q: 35% of all college students major in STEM (Science, Technology, Engineering, and Math). If 36…

A: It is given that the 35% of all college students major in STEM ie. the probability that a student's…

Q: 9. For the standard normal variable Z, find the probability of P (0 -1.89) if Z is a standard normal…

A: Solution

Q: Lance level to test the reasonable claim that births occur with 4 Calc At least two days have a…

A: It is needed to test, whether the reasonable claim that whether the births occur with equal…

Q: Example. values of x and y given below: X 78 89 97 125 137 156 y Calculate the coefficient of…

A:

Q: in the blanks below to make the most reasonable statement possible. Last month, customers of the…

A:

Q: Does prison really deter violent crime? Let x represent percent change in the rate of violent crime…

A: Data is given for x and y We have to do correlation analysis.

Q: What is the distinction between independent and dependent samples in hypothesis testing involving…

A: The objective is to determine the distinction between independent and dependent samples in…

Q: of adults in the country who do not use the Internet. Based on the result, does it appear that A…

A: We have given thatn = 5009x = 755p̂ = x/n = 755/5009 = 0.1507

Q: The data found below measure the amounts of greenhouse gas emissions from three types of vehicles.…

A:

Q: 3. Calculate the coefficient of correlation from the following data by the method of rank…

A:

Q: salary of 5 workers are given below. 8 9 10 12 sample mean and standard deviation. Mean=9, SD = 1.99…

A: According to guidelines we solve only first question when given questions are different.

Q: Consider a firm with zero coupon bonds that mature in 9 months and combined face value of $100000.…

A: Solution: It is needed to find the value of equity.

Q: 12. The following are the length of sleep (in hours) of twelve (12) service crew of a fast-food…

A:

Q: 155 170 200 188 88 87 85 80

A: The given data is Attendance  Academic Performance 155 88 170 87 200 85 188 80

Q: g. Find the 50th percentile. h. Find the minimum for the upper quartile.

A:

Q: Two machines are used for filling plastic bottles with a net volume of 16.0 ounces. The fill volume…

A: Solution: Let X1 be the net volume of the plastic bottle filled by machine1 and X2 be the net volume…

Q: A filling machine fills jars with syrup. The amount poured is follows approximately a normal…

A:

Q: Q1/The median is 35 99 87 47 33 47 9 57 72 65 70 19 49 68 60 28 29 57 15 58 51 47 54 53 96 95 97 41…

A: First we arrange the above data of n ascending order so it would be easy to count the frequencies…

Q: please create a summary of findings based on the graphical presentation

A: Given information:  Teens who have seen their parents use a phone while driving is 48%. Drivers who…

Q: -mo-3-methylpentane with time. Concentration of bromo-3-methylpentane/mM 0 20 45 60 70 77 81 times…

A:

Q: ario out of it using the data needed in correlation and regression analysis. Use samples that are…

A: Let us consider a multiple linear regression model for the current study: y =…

Q: We use the form 9-a + bx for the least-squares line. In some computer printouts, the least-squares…

A: From the output, the constant is 315.27 and the slope value is -32.136.

Q: 2. The Head of the Mathematics Department announced that the mean score of Grade 11 students in the…

A: 34 students are selected randomly with mean 85 n=34 x=85Population standard deviation is 12 and…

Q: All students who physically attended the graduation orientation were asked to write their mobile…

A: Given Information: All Students who were physically present on graduation orientation were asked to…

Q: the shoreline. g. 26% of the time a person will wait at least how long before the wave crashes in?…

A:

Q: What do you mean by 50C2

A: From the given question, The value of n is, 50 The value of r is, 2

Q: 5. (a) If r23 = 0, prove that R₁ (23) = (23) = 712 + 7³1 01-23 = (1 - 12 - 13). 07.

A:

Q: Researchers collected data on the numbers of hospital admissions resulting from motor vehicle…

A: It is needed to test the claim that when the 13th of a month falls on a Friday, the numbers of…

Q: JBC Company wishes to test four different gadgets A, B, C, and D. The lifetimes of the gadgets in…

A: The following information has been given: A B C D        33        32        31        27 38…

Q: You have exams in economics and chemistry coming up and 5 hours available for studying. will spend…

A:

Q: Find the posterior distribution of A. Calculate the posterior mean and variance

A: The posterior probability distribution of a variable is defined as the conditional distribution of…

Q: Is the addition of SOUTH and URBAN statistically valuable (at the .05 significance level)?  How do…

A:

Q: uppose you and your best friend are both in a group of 20 people, and five people are to be randomly…

A: Given that  Suppose you and your best friend are both in a group of 20 people. Randomly selected…

Q: The department head of a private secondary school in Marikina City surveyed randomly selected…

A: Given that  The department head of a private secondary school in Marikina City surveyed randomly…

Q: 6) What is the value of (>=)²?

A: Given: Attendance Academic Performance 155 88 170 87 200 85 188 80

Q: c. The probability that wave will crash onto the beach exactly 1.3 seconds after the person arrives…

A: Given Information: The waves are crashing onto the beach every 4.3 seconds. a=0,  b=4.3

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: a) Scatterplot   Hence, Option B is the correct answer. b)  r=0.817 is the answer.

Q: D5) 1. If X and Y are i.i.d, each uniform in [0,5], what is the pdf of Z=X-Y? 2. If X and Y are…

A:

Q: A machine fills large bags of chips.  The weight of chips that the machine puts into a bag is…

A:

Q: Suppose that a number is randomly chosen from the interval (-6,2).  What is the probability that…

A:

Q: An IQ of select number of students in EM 1203 were measur descriptive statistics were obtained using…

A: Empirical rule: The probability of the observation lies within 1 standard deviation of the mean,…

Q: The amount of pollution produced by cars was measured for cars using gasoline containing different…

A: Explanation : Independent variable is nothing but if one variable that has not changed with the…

Q: A mandatory competency test for high school sophomores has a normal distribution with a mean of 420…

A:

Q: why you did not reject the null hypothesis, the statistics is one tailed to the right , so anything…

A: Doubt: why you did not reject the null hypothesis.

Q: A shop collected the following information regarding 33 of its employees. Of these employees , 9…

A: As per policy I have solved first three sub parts.for remaining reload next question Given 33…