Two fair dice are thrown. Find the probability that the sum is a perfect square. a. 7/36 b. 1/6 c. 5/12 d. 2/11

Q: determine the 95% confidence interval or range in an observed score of 86 if SD is 5.8 and the…

A: 95% Confidence interval is 79.4934 and 92.5066 Explanation: Data given, r=0.82 X=86 SD=5.8 Standard…

Q: a. What is the probability that exactly 10 are from their elementary school? b. What is the…

A: here given  ,  In one of the Biggest school in Metro Manila , 80% of their high school students are…

Q: The statement represents a claim. Write its complement and state which is Ho and which is HA- μ =…

A: From the provided information, The statement represents the claim which is µ = 8.2

Q: A student is given the following Venn diagram of foods we eat raw or cooked: C chicken fice spach…

A: A set is a collection of elements. Let A be a set of all vowels among the alphabets. Therefore, A=a,…

Q: 9) Two dice are rolled simultaneously. What is The probability that The two scores are different?

A: When we roll two die simulataneosuly, we get the following sample space as S=…

Q: The probability a machine has a lifespan of more than 5 years is 0.8. Ten machines are chosen at…

A: GivenThe probability a machine has a lifespan of more than 5 years(p)=0.8sample size(n)=10Let "x" be…

Q: A group of employees of Ateneo De Manila University were asked if they own a credit card or not. The…

A: Probability distribution

Q: What are the differences between the two types of random variables in statistics? B i U Font Family…

A: Answer:

Q: in how many ways can a hand of 5 cards be dealt such that 2 are black and 3 red cards?

A: here given ,  there are 52 cards in deck  there are 26 red and 26 black cards in decks

Q: Teachers' Salaries The average annual salary for all U.S. teachers is $47,750. Assume that the…

A: The provided information is  µ=47750 σ=5680 Part 1 of 2 P(38500≤X≤50000)…

Q: The Venn diagram shows sets A, B, C, and the universal set U. Shade (AUB)' n C' on the Venn diagram.…

A: As Prof. P. K. Giri said "Euler Venn Diagram or commonly known as Venn Diagram, is a diagrammatic…

Q: 3 A card is drawn from a full pack of 52 playing cards. If the card drawn is an Ace, King, Queen or…

A: As Prof. N. G. Das said "If there are n mutually exclusive, exhaustive and equally likely outcomes…

Q: A random variable, z, has p.d.f. f (z) = e¯², 0 =< Z < 1. Calculate the expected value of z. a. 1 b.…

A: A random variable, z, has p.d.f. f (z) = e², 0 &lt; Z &lt; 1.

Q: please xplain why you have 7 class intervals, but have only shown 6 on ths histogram. Whould the…

A: For the given data the frequency distribution  is Class Count 4.3-4.4 1 4.4-4.5 2 4.5-4.6 4…

Q: Suppose a jar contains 15 red marbles and 26 blue marbles. If you reach in the jar and pull out 2…

A: To find: The probability that both are red marbles.

Q: Suppose that the probability that iraqi man has a high blood pressure is 0.15. If we randomly select…

A: Given,n=6p=0.15q=1-0.15=0.85A random variable X~Binomial(n=6 , p=0.15)P(X=x)=Cx6 0.15x0.856-x  ;…

Q: a. Determine the variance of 2

A:

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

A: GivenNo.of red balls =2No.of green balls = 3No.of blue balls = 2Let R be the event that red ball…

Q: Find the probability that both are green. B. Find the probability that none is blue. C. Find the…

A: here given in box 2 red, 3 green , and 2 blue balls  2 balls are selected Without Replacement  here…

Q: 3. Random samples of four different kinds of cereal show the following number suggested serving size…

A: Anova is used to measure the mean significance between three or more groups. It is a type of…

Q: Q6. In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Given,n=20p=0.85q=1-0.85=0.15A random variable X~Binomial(n=20 , p=0.85)P(X=x)=20x0.85x0.1520-x  ;…

Q: Mathematic 10-19 20-29 30-39 40-49 50-59 60-69 degrees Pupils (fi) 2 5 11 25 31 27 Find the (1)Mean,…

A: Given data is Mathematic degrees  Pupils(fi) 10 - 19 2 20 - 29 5 30 - 39 11 40 - 49 25…

Q: The probability a machine has a lifespan of more than 5 years is 0.8. Ten machines are chosen at…

A: From the provided information, Sample size (n) = 10 The probability that a machine has a lifespan of…

Q: You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based…

A: From the provided information, Population standard deviation (σ) = 22.7 Margin of error (E) = 2…

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A: here given ,  a random variable with standard normal distribution have mean = 0 and Standard…

Q: The probability distribution for the random variable, x, is x:2, 2.5,3.0,3.5,4.0 ,4.5 and P(x):0.07,…

A:

Q: 55 Prove that the functio: probability density F Given f(x)= 2(1-x) and (0<x< ضافة ملف

A: Solution

Q: X 2 4 If (x₁y) 2 f(x,y). · 10.10 3 0.15 5 0·10 0.20 0.30 0·15 a. Determine the marginal distribution…

A: f(x,y)       2        4        Total      1        0.10       0.15 0.25  Y= 3…

Q: Instructions: Find the missing probability. P(B) = = P(A|B) = P(A and B) 20

A: From the provided information, P (B) = 1/5 P (A|B) = 9/20

Q: Question 6 A simple dice game involves the player paying $1 to play. Two fair six-sided dice are…

A: Two fair 6 sided die rolled. Profit and loss according to output is mentioned in question. We have…

Q: The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore…

A: The t test are used to test the mean significance between the two sample. It used to test the paired…

Q: 1. In how many ways can the position of president and secretary of an organization be  filled if…

A: HERE AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS  here use counting Principle  there are total 4…

Q: 3. There are 64 children in year 4. a) 8 are off sick. What fraction of children is left? b) 48 stay…

A: Given : There are 64 children in year 4.

Q: from. Determine the number of ways the greenhouse could select 4 tropical plants and 4 exotic plants…

A: here given ,  A local greenhouse is creating a plant display for a mall. The greenhouse currently…

Q: Two cards will be drawn one after the other from a standard deck of card. Event A represent a heart…

A: Given that two cards will be drawn one after the other from a standard deck of card. Event A…

Q: Suppose you roll two five-sided dice (each with sides labeled 1 through 5).  What is the probability…

A: The sample space for two five-sided dice is : S= {(1,1)(1,2)(1,3)(1,4)(1,5)…

Q: A nuclear power station is to be built on one of 20 possible sites. A team of engineers is…

A:

Q: If E denotes the expectation the variance of a (random variable X is denoted as (E(X))^2 - E(X

A: Given: If E be the expectations then varience of random variable x  Var(x)= (E(x))^2-E(x)  a); True…

Q: Car manufacturers produced a variety of classic cars that continue to increase in value. Suppose the…

A: Given Information: Consider the given dataset: Model Rating (x) Price (y) A 18 1600 B 17 450…

Q: During Game 6 of the finals of the NBA championship, Steph Curry got fouled and was awarded 2 free…

A: Given,The probability of making a shot in the free throwlines is 0.88 .

Q: The probability of finding a significant result if the hypothesis is true is called statistical…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: Here given there were six kinds of toppings that one could order for pizza  Here use counting…

Q: 14.By examining the past driving records of city drivers, an insurance company has determined the…

A:

Q: Suppose that the joint probability mass function of X and Y is X... Op 1+ 2+ Yo -1+ 0.05 0.1 0.1 0…

A:

Q: f (x) = kx^2, k constant, -1 =< x =< 1. f (x) is a p.d.f. ?the value of k= 1

A: Here use basic of probability density function  For valid probability distribution total probability…

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

A:

Q: Referring to the important health practices advocated by the California study, suppose  that in a…

A: Probability

Q: A flu shot is administered during flu season. We look at the effect of the shot on individuals who…

A: 1)Givensample size(n)=100Mean(x)=4standard deviation(s)=1confidence level=95%

Q: Which game should he play if he wants the best chances of winning? Explain the answer

A: HERE GIVEN , Mark has the choice of playing two different games. When he plays poker, the odds in…

Q: (b) Consider the 48-ball lottery game described above. Recall that the order of the numbers chosen…

A: