9. Identification Tags How many different 3-digit identification tags can be made if the digits can be used more than once? If the first digit must be a 5 and repetitions are not permitted? 1000; 72 10. Secret Code Word How many 4-letter code words can be made using the letters in the word pencil if repetitions are permitted? If repetitions are not permitted? 1296; 360

Q: Mr. Green examines the Unit 1 Biology test scores in his class. The test scores are normall-…

A: The z-score is known as the standard score.

Q: how many seating arrangements can be done? (

A: here given ,  there are 6 girls and 5 boys in class

Q: Q2: If P(A) = 0.25, P (B)=0.45, P (AB)=0.43, draw the Venn diagrams and determine the following…

A: It is given that P(A) = 0.25, P(B) = 0.45 and P(Ac ∩ Bc) = 0.43 Note : According to our guidelines…

Q: Q3: A Cummins diesel engine is available in heavy-duty pickup trucks. The probability o the engine…

A: Let us define some events A : the engine will require an oil change. B : it requires a new oil…

Q: Solve step by step in digital format An attempt is being made to traffic from Colombia to Mexico a…

A: Binomial distribution is a type of discrete probability distribution.

Q: Compute for the standard deviation X f 0≤x≤ 6 6 6 < x < 12 8 12 ≤ x < 20 24 20<x< 30 7 30≤x≤40 3

A: Solution-: We have following table: Class Interval Freq (fi) 0≤x&lt;6 6 6≤x&lt;12 8…

Q: 2. [10 pts] The Erasmus program helps facilitate European students studying in another European…

A: Given that - The Erasmus program helps facilitate European students studying in another European…

Q: Choose a sample of (3) balls at random from an Urn containing 3 yellow and 4 red balls., then the…

A:

Q: Suppose that two cards are randomly selected from a standard 52-card deck. (a) What is the…

A: GivenTotal no.of cards in a standard deck = 52No.of queen cards in a standard deck = 4

Q: AutoSave Off Off Search (Alt+Q) File Home Insert Draw Design Layout References Mailings View Help…

A: Given that  Using excel descriptive statistics

Q: Jen is planning a vacation. To help her choose a hotel, she looks at some reviews. The table shows…

A:

Q: Voters in a particular city who identify themselves with one or the other of two political parties…

A: Solution-: Given: n1=150,n2=200,x1=90,x2=140,α=0.1 We want to test at α=0.1 , the hypothesis that…

Q: Find 1- Value of C. 2-Probability mass function describing the distribution of X. 3-Cumulative…

A: It is given that X be a discrete random variable with probability mass function is given in the…

Q: 4. Senate Partisanship The composition of the Senate of the 111th Congress is 41 Republicans 2…

A: Given that 41 Republic , 2 independent , 57 Democrats Total =100 * P ( all republic ) = ? * P ( all…

Q: considered equally likely, what is the probability that men took the top 4 ranks.

A: here given there are 6 women and 4 men in class of engineering data analysis  and given that there…

Q: A doctor believer simple random sample of significance level of a Day Sunday Frequency 65

A:

Q: (20 pts-10 pts each) Voters in a particular city who identify themselves with one or the other of…

A: The provided information is  Party A                                      Party B x1=90…

Q: The country of Sokovia regulations states that plate numbers for cars should be composed by 4…

A: Here given plate numbers for cars composed by 4 letters first then followed by 2 numbers

Q: Given a p.m.f. f(x) of a d.r.v. x as follow: x = 1,4 f(x)=5 0 O. W

A: Moment Generating Function (MGF) The moment generating function (MGF) of a random variable X is a…

Q: 1. You roll a fair six-sided die. Find the probability that the die shows an odd number or a number…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 49 a. P(x 4) c. P(3<x<7) 0.1- d. P(5<x<8) Verify that the function is a valid probability density…

A: According to our guidelines, we can answer only three sub parts. So please repost the rest parts.

Q: Based upon extensive data from national high school educational testing program, the standard…

A: Given that  Standard deviation =SD =118 Sample size n =169

Q: Philip has 80 chocolates left in a box. The chocs are either hard or soft.  (i) Philip picks a choc…

A: Given information: Total no. of chocolates=80chocolates=1. Hard.2. Soft.P(soft-centred chocolate)=38

Q: Chi-Square distribution is a special case of Gamma distribution with degree of freedom r = 1 where

A: Gamma distribution: Gamma distribution is a continuous probability distribution. It belongs to a…

Q: Q6. Let Y be a continuous random variable with the probability density function in the following…

A:

Q: General Direction: Perform each of the following steps. a. Find the Spearman rank correlation…

A: The spearman rank correlation coefficient (r) formula is defined as shown below…

Q: Tony is playing a game in which he spins a spinner with 6 equal-sized slices numbered 1 through 6.…

A: Given Tony is playing gamewhi h he spins a spinner with 6 equal size

Q: Q2: If P(A) = 0.25, P (B) = 0.45, P (ACNBC) = 0.43, draw the Venn diagrams and determine the…

A: It is given that P(A) = 0.25, P(B) = 0.45 and P(Ac ∩ Bc) = 0.43 Note : According to our guidelines…

Q: I. The smoke will not be detected by device CS200 given that it has detected by device WS500. II.…

A: HERE DEFINE EVENTS FROM GIVEN INFORMATION  SMOKE will be detected by device CS200  = A smoke will be…

Q: Suppose that diameters of a new species of apple have a bell-shaped distribution with a mean of…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: TABLE 4.5 In a telephone survey of 1000 adults, respondents were asked their opinion about the cost…

A:

Q: Compute for the standard deviation X f 0 ≤ x ≤ 6 6 6 < x < 12 8 12 < x < 20 24 20<x< 30 7 30<x< 40 3

A:

Q: 2. David measures the weight of each student from his Math II class. He finds the mean weight is…

A:

Q: 1. At one college, GPA's are normally distributed with a mean of 3.1 and a standard deviation of…

A:

Q: b. An experiment wishes to investigate the effect of three variables- pressure, temperature, and the…

A:

Q: a) rejected whereas the mean strength is actually 5000 kg=cm2 b) accepted whereas the mean strength…

A:

Q: A six-sided fair die is rolled two times. Arrange the events in order from the event with the…

A:

Q: A committee with 3 members is to be chosen randomly from 5 boys and 7 girls and count the number of…

A: Committee with 3 members is to chosen. There are 5 boys and 7 girls. We have to answer for mentioned…

Q: Determine the probability density function for the following cumulative distribution function. F(x)…

A: Given F(X)=1-e^-2X X=0.3

Q: probability of having a plate number ending with 99?

A: here given ,  plate number for cars composed by 4 letters and then followed by 2 numbers  there are…

Q: Q9. Let X and Y have the joint pdf f(x, y) = 2, 0≤x≤ y ≤ 1. Which of the following is true? (A) The…

A:

Q: Question-4 a. 100 glass bottles coming off a production line. Out of 100 there are 20 glass bottles…

A: Let p be the probability bottle have serious flaws in glass  n be the number randomly selected…

Q: Q1: A craftsman has three identical boxes, each with two identical drawers. In the first box, one…

A:

Q: P(X) 2C 3C 3C Find 1- Value of C. 2-Probability mass function describing the distribution of X.…

A: We have given that X be a discrete random variable with probability mass function in table form. The…

Q: Determine the probability that the rolled dice will result to a multiple of 3 or a square number.

A: It is known that, the outcomes of rolling a die are 1, 2, 3, 4, 5, and 6.

Q: Question-1 The Table given below presents the thickness of a metal layer on 50 silicon wafers…

A: For the given data, We have to calculate relative frequency histogram. Relative frequency =…

Q: Suppose that diameters of a new species of apple have a bell-shaped distribution with a mean of…

A: From the given information, the mean is 7.19 and the standard deviation is 0.38.

Q: Which of these describes the population parameter? O A. X = 157 OB. X= 165 OC. μ = 165 OD. U = 157

A: It is given that  Population mean = 157 Population standard deviation = 25 Sample mean = 165 Sample…

Q: Construct the probability distribution of the variable for number of modules the participants who…

A: HERE Given , there are total 63 + 47 = 110 participants  In a plenary hall with 63 males and 47…

Q: Economics class that consist of 40 students took a test. Determine the probability if we randomly a…

A: The number of boys is 16 and the number of students failed is 4.