linear ec
Q: Whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing t...
A: Given that the bag has 3 red marbles, 2 green ones, 5 white ones, and 2 purple ones. So there are to...
Q: Please answer step by step. Thank you! Decide the number of possibilities of the given situation: A...
A: It is required to pick 3 questions from a bank of 39 questions. n=39 r=3
Q: Your friends have taken bets on whether you will pass this class. (Sounds like maybe you need new fr...
A: From the provided information, The odds in favor of passing is 1:8
Q: A psychology class collects data on student anxiety by school and gets the following results De...
A: From the provided information, The total students = 344 The total students who do not anxiety and a ...
Q: Multiple-Choice Tests Professor Easy's final examination has 9 true-false questions followed by 2 mu...
A: For each true-false question, there are 2 choices. There are total 9 true-false questions. So the to...
Q: 16. Apoker hand consists of 5 cards from a standard deck of 52 cards. Find the number of two of a ki...
A: There are total 13 denominations. {J,K,Q,A,2,3,4,5,6,7,8,9,10}.Each denomination has 4 cards.We can ...
Q: Suppose you roll a special 48-sided die. What is the probability that the number rolled is a "1" OR ...
A: For 48 sided die there are 48 possible outcomes. We can get "1" OR a "2" only in 2 ways. So the pro...
Q: There are 4 men and 7 women auditioning to be in the school play. Answer the following questions: 1....
A: The number of ways 2 women , and 2 man can be selected from 4 men and 7 women is, n=C24×C27n=4×32×1...
Q: Sarah bought a dress on sale for $30. She saved 45%. What was the original cost
A: Given: Selling price, s=$30 Discount percentage, d=45% The objective is to find the original cost of...
Q: Find the indicated probability. College students were given three choices of pizza toppings and aske...
A: Total (10+14+22+25)=71 students like cheese toppings. There are total (10+14+22+25+29+25+14+10+14+10...
Q: IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual...
A: Given that, Mean = 100 Standard deviation = 15
Q: Chuck-a-luck is a game of chance in which 3 dice in a cage are tumbled. Bets can be placed on the va...
A: Chuck-a-luck is a game of chance in which 3 dice in a cage are tumbled. Bets can be placed on the va...
Q: The probability distribution of a random variable X is given in the table below: -4 -2 2 4 .1 .2 .3 ...
A: Mean=E(X)=-4(0.1)+(-2)(0.2)+0(0.3)+2(0.1)+4(0.3)=0.6
Q: Suppose two dice (one red, one green) are rolled. Consider the following events. A: the red die show...
A: Given that B: the numbers add to 8 D: the numbers do not add to 12. So, B'=the numbers do not add to...
Q: Step 1 To find the probability that t is within one standard deviation of the mean, we need to calcu...
A: The probability density function is, ft=125e-125t The variance of the random variable t is, Vart=Et-...
Q: Four balls are selected at random without replacement from an urn containing four white balls and fi...
A: Given data: The number of white balls is w=4. The number of blue balls is b=5. The expression for th...
Q: A multiple choice quiz has five questions with three options for each question. If you didn't study ...
A: Let us denote X=the number of correct answers.n=sample size=5p=probability of success=13 (because ea...
Q: There four foreign nationals in a group of fifteen people. Four people are chosen at random. a. Calc...
A: a) We can pick 1 foreign national in 4C1=4 waysThere are (15-4)=11 non-foreign national people in th...
Q: Suppose the chance a randomly selected adult drinks coffee is 70%, of the coffee drinkers 78% drink ...
A: a) Let us denote C=coffee drinkerS=soda drinkerGiven that P(C)=70%=0.70P(S|C)=78%=0.78P(S|C')=85%=0....
Q: Poker Calculate the probability of being dealt the following poker hand. (Recall that a poker player...
A: Given information: Number of cards to be selected = 5 Number of cards in a standard deck = 52 Number...
Q: The number of incoming students at two campuses of a midwestern university have historically been no...
A: Given that the main campus incoming class has a mean of 3,916 and a standard deviation of 375. numbe...
Q: Use the counting techniques from the last chapter. A bag contains three red marbles, three green one...
A: It is an important part of statistics. It is widely used.
Q: 1 1 1] 11. Find the inverse (if it exists) of the following matrix: 0 1 1 Lo 0 11
A: We first find the determinant of the matrix. 111011001=1(1-0)-1(0-0)+1(0-0)=1≠0 So this matrix will ...
Q: Suppose A is a set with 6 elements. Answer the following questions: 1. How many subsets of exactl...
A: In a set the order does not matter. So we can use the combination method. 1) We can pick 4 elements...
Q: 2. Let X be a random variable with the Poisson distribution, parameter 2. Show that, for w = 1, 2, 3...
A: X~Poisson(λ) Therefore P(X=x)=e-λλxx! ; x=0,1,2,… PX≥w=∑i=w∞P(X=i)=∑i=w∞e-λλii!=e-λ∑i=0∞e-λλii!-∑i=0...
Q: Use the given information to find the P-value. Also, use a 0.05 significance level and state the co...
A: Express the hypothesis test H0:p=35H1:p≠35 Given that, z=0.78. The probability curve of the required...
Q: find the probability that the number of the red candy is more than or equal to the 2.68
A: More than or equal to 2.68 means X=3,4,5 for this case.So the total frequency for X=3,4,5 is= 26+18+...
Q: Barbara knows that she will need to buy a new car in 4 years. The car will cost $15,000 by then. How...
A: Given that t=time=4 yearsr=interest rate=2%=0.02A=annuity=$15000n=number of times compounded in a ye...
Q: 14. Use the table below to compute the frequency that an established author is successful. Establish...
A: From the table, we see that 80 authors are established. Among those 80 established authors, 25 are ...
Q: Question 7 In a certain state, license plates have five characters that may include letters and nume...
A: The total number of characters including 26 alphabet and 10 numerals is 26+10=36. Thus, number of pe...
Q: The cost of a daily newspaper varies from city to city. However, the variation among prices remains ...
A: Solution: Let X be the cost of a daily newspaper. From the given information, n=10, x-bar=30 and σ=6...
Q: In a recent survey, consumers were asked where they did their online shopping. The following results...
A: Let A be the set of customers who shopped from the Amazon, B be the set of customers shopped from th...
Q: Assume that a samlpe is used to estimate a population proportion p. Find the margin of error E that...
A: Given that n=sample size=800p=probability of success=40%=0.40z= critical value for 98% confidence in...
Q: Complete the table with data showing the results of the examinations out of 100 taken by 9 students ...
A: (A) The scatter plot of the data is given below. (B) The line of the best fit is represented ...
Q: According to National Geographic, normal rain water is slightly acid with a pH of 5.6. Acid rain, ca...
A: Null and alternative hypothesis: H0: μ = 5.6Ha: μ < 5.6
Q: What is the shape of a x ^ 2 distribution?
A: If Xi’s follows standard normal distribution for all i = 1, 2, .., n, then ΣXi2 follows chi square d...
Q: Poker Calculate the probability of being dealt the following poker hand. (Recall that a poker player...
A: Since, there are 5 cards in the poker hand. The number of ways of selecting 5 cards from 52 cards is...
Q: uppose we extract an individual at random from a population whose members have an average income of ...
A:
Q: The Boston Red Sox are about to have a home game at Fenway Park. In recent years, it’s rained on ave...
A: Given data: The given probability that it rained is P(R)=30%=0.30. The probability that it is foreca...
Q: A true-false quiz contains 15 questions. In how many ways can a student answer thequestions if the s...
A: A true-false quiz contains 15 questions. The number of ways such that student answer 7 false questio...
Q: There are 3 boxes. 1st box contains 2 white and 1 black, 2nd – 4 white and 1 black, 3rd – 2 white an...
A: E1: Box 1 P(E1) = 1/3 E2: Box 2 P(E2) = 1/3 E3: Box 3 P(E3) = 1/3 A: The ball is white P(A|E1) = 2/3...
Q: What is the slope of the line perpendicular to y=5x+7
A: Solution: The given line is y=5x+7.
Q: Just number 2 and b)
A: 2) a) Given that there are 20 flavors and 3 types of cones.So using the counting principle the total...
Given,
A straight line passes through the point with slope
The standard equation of a line passing through a point
Step by step
Solved in 2 steps