a) Let A and B be mutually exclusive events. Independent trials of the experiment are performed to see which one of the two occurs first. What is the probability that event A occurs before event. B?

Q: pard and named some pc red 30 rays in all and the

A: here teacher drew a number line on the board and named n points it. then we have (n-1) points didn't…

Q: (b) Use rules of variance to obtain an expression for the variance and standard deviation (standard…

A: Variance is the measure of dispersion. It is calculated by taking sum of square difference from the…

Q: The international club of a school has 90 members, many of whom speak multiple languages. The most…

A:

Q: Explain crude birth rate and give. its merits and demerits.

A:

Q: The probability that Mr. Adam comes across a red light is 0.45 at any intersection. What is the…

A:

Q: Pairs of P-values and significance levels, a, are given. For each pair, state whether the observed…

A:

Q: 11. Answer the following 1. n= 6 and 'r' = 0.42857. Find Ed %3D

A:

Q: 1. Make a Venn Diagram to illustrate the result of The survey. 2. How many students like basketball?…

A: here as per policy i have calculated 3 subparts  Here define events  , Basketball = B Soccer = S…

Q: 13 On a particular year, February has 29 days and February 1 occurs on a Sunday. How many Sundays…

A: We have given that on a particular year, February has 29 days and February 1 occurs on Sunday.

Q: a die is rolled once, what is the probability of getting an odd number or a 1?    A. 2/3 B. 1/2 C.…

A:

Q: "ple 29. Draw a less than ogive for the following frequency distribution: 1.Q. 70 - 80 90 – 100 |…

A:

Q: Construct a Venn Diagram showing three overlapping events A, B and C. Shade the region corresponding…

A:

Q: 11. The number of units of a product exported during 1990-97 is given below. Fit a straight line…

A:

Q: Explain the Merits and Demerits of CDR (Crude Death Rate).

A:

Q: In a lecture class, there are students in which 35% of them lives in Luzon, 40% lives in Visayas…

A: IX Given information: P(lives in Luzon)=35%=0.35 P(Visayas)=40%=0.40 P(Mindanao)=1-0.35-0.40=0.25…

Q: Consider a family of three children. Find the following probabilities: (a) P(two boys|first born is…

A:

Q: 12. Find the following table. 1. Fit a straight line trend by the method of least square. 2.…

A:

Q: A 35 20 15 30

A:

Q: What are the objectives behind the analysis of seasonal variations in a time series ?

A:

Q: NOTE: ANSWER ALL. I'll leave a like. Previous answers are always incomplete and wrong.  a.  Out of…

A: Hello! As you have posted 4 different questions, we are answering the first question. In case you…

Q: Example 2 The following table represents no of Road accident in Bangalore city. Years: 1995 1996…

A:

Q: Suppose that the random variable X has the probability density function ´c(1- x²) for - 1< x s1 f(x)…

A: Given that  Probability density functions of X is  f(x)= c(1-x2)   , -1&lt;=X&lt;=1       = 0…

Q: A digital scale is used that provides weights to the nearest gram. (a) What is the sample space for…

A: a) A digital scale is used that provides weights to the nearest gram.  Weight can't be negative. So,…

Q: In an experiment where 2 balls are drawn successively at random without replacement from a box…

A: The total number of balls is 2+3+2 =7

Q: Amanda buys a bag of cookies that contains 6 chocolate chip cookies, 7 peanut butter cookies, 7…

A: Given that 6 chocolate chip cookies, 7 peanut butter cookies, 7 sugar cookies and 6 oatmeal raisin…

Q: Explain Rates and Ratios of Vital events.

A:

Q: 3 Calculate the two line of regression for the following data. X: 1 2 3 4 5 Y. 3 6. 9. 12 15 Scanned…

A: Find regression lines  (1) y on x (2) x on y

Q: For questions 8 to 10: The following are the scores of the random students who took the Math…

A: We have given that,  The data set are :-…

Q: Estimate the value of sales for the year 1985 by using the method of least square for t nalysis.…

A: Least squares trend: Steps to construct scatter plot in Excel: Enter the Year and Sales in Excel…

Q: nplify the following using De Morgan's and justify your answers using Venn Diagram a. ((A' n B)' U…

A:

Q: 80% of students pass Chemistry 101. Knowing this, Manuel didn't study for the midterm and ended up…

A: From the given information, 80% students pass chemistry 101. So, the remaining 20% fails chemistry…

Q: Trick-or-Treat basket contains 16 bite-size Snickers and 14 bite-size Toblerone. If a child in fairy…

A: Given that  Total chocolates=16+14=30 Snickers chocolates=16 Toblerone chocolates=14 2 chocolates…

Q: One box contains 5 red balls and 4 green balls. Let 3 balls are randomly chosen from the box. Let X…

A: The probability mass function is the probability distribution of a discrete random variable X. And…

Q: 2. Calculate the two line of regression for the following data. X: 1 3 4 5 Y. 3 9 12 15 S Scanned…

A:

Q: Prior to airport construction, a survey was conducted if the residents in a certain barangay are in…

A: Given that  p=35%=0.35 , q=1-p=1-0.35=0.65 n=350 Note: According to bartleby experts question…

Q: A joint density function of the continuous random variables x and y is a function f(x, y) satisfying…

A:

Q: 33 How many distinguishable orderings of the letters of the word ASSESS are there? O 30 O 15 O 720

A:

Q: If the probability of failure is 0.60 and the number of binomial trials is 90, what is t expected…

A:

Q: 4. r=-0.2969 and n= 10 Find Σα

A:

Q: ACTIVITY Find the mean,median, and mode 1. 90, 76, 54, 40, 90, 99, 75, 12, 19, 16, 35, 78

A: As per bartleby guideline expert have to answer first question only dear student please upload other…

Q: lifetime of the battery? What is the p-value? Choose the correct statement out of the following:…

A: We have given that  Population mean = 40 Sample mean = 40.9 Population standard deviation = 4 Sample…

Q: Design What is the power of the planned studies to the right using a chi-square test for…

A: Given that

Q: Two fair dice are thrown. What is the probability that the first die shows 3 or the second die shows…

A:

Q: The Association reports that among individuals in the 48 to 55 age, 45% drink coffee. If 200 people…

A: let X: number of coffee drinkers…

Q: What is the probability of grade 10 students joining basketball? *

A: Here use given venn diagram  Basketball = B Volleyball = A

Q: versin Ths data quarfile is 19.5 gallans P

A: *Answer:  *a Here population is the production and consumption of food and agriculture products…

Q: Giving a test to a group of students, the grades and ages are summarized below A В C Total Under 25…

A:

Q: Find quartile deviation and its co-efficient from the following data.

A: The quartile deviation is defined as Q.D = (Q3 - Q1)/2 Where Q3 = third quartile and Q1 = first…

Q: In a county male height is normally distributed with a mean of 175 cm and a standard deviation of 6…

A:

Q: 5. Choose the best answer. Sammi plans on selling Christmas tree ornaments. She figured a profit of…

A: