Probability Question
Q: Suppose that 46.2% of all Canadian adults have used their cell phone while in a retail store. Idrive...
A: Given information n = 50 p = 0.462 Conditions for the sampling distribution of the sample proportion...
Q: the CPA Practice Advisor reports that the mean preparation fee for 2017 federal income tax returns w...
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: Q4; Some of the results of a trial, carried out by the Department of Pharmacology/ Thi-Qar College o...
A: The sample means (x) and the standard deviations (s) of the change in considered blood pressure unde...
Q: Seatbelts is a time series giving the monthly totals of car drivers in Great Britain killed or serio...
A: The interested is in some descriptive statistics of the Drivers killed column of the Seatbelts time ...
Q: A personnel director interviewing 12 senior engineers for six job openings has scheduled seven inter...
A: It is given that the total number of senior engineers is 12 and the number of job openings is 6. Sev...
Q: A recipe says to use 2 teaspoons of vanilla to make 36 muffins. What is the constant of proportional...
A: Given, y: no of muffins made. x: no of teaspoons of vanilla used. the constant of proportionality k ...
Q: A box of 25 light bulbs is shipped to a hardware store. When it arrives, four of the bulbs are broke...
A:
Q: Please you don’t need to show work I just need the answer and can you please do it fastt
A: Given data: The total numbers of students are n=405. The numbers of male students are m=200. The giv...
Q: Concrete cubes are used to test the quality of mix from a concrete mixing plant. 28 day compressive ...
A: Given: n =28 μ = 28.4 σ = 2.95 P(X>24) ≥ 0.95 Thus, P(Z>z) = 0.95 ∴ P(Z<z) = 1-0.95 = 0.05 ...
Q: Giving a test to a group of students, the grades and gender are summarized below C Total Male 15 13 ...
A: Given table A B C Total Male 15 13 6 34 Female 8 9 16 33 ...
Q: If mary has 10 pop cans and there are 4 Coca Cola cans. Let’s assume Mary will place these cans in a...
A: The number of ways in which 10 cans can be arranged in a line at random , with 4 of them being ident...
Q: Calculate the (modeled) probability P(E) using the given information, assuming that all outcomes are...
A: The given values are nS=24,nE=4. The probability formula for event a is, Pa=nans In the formula na n...
Q: The probability that you wear Vans to school is 0.65. If you wear your Vans, you have a 25% chance ...
A: Let us denote: V=the event of wearing vans S=the event of wearing socks Given that P(V)= 0.65, So, ...
Q: if your roll a fair 9-sided die 9 times, what is the probability that a 6 is rolled at least twice?
A: Given: Number of side of the die is, n(s)=9. Number of times rolled is, n(r)=9. The objective is t...
Q: For a confidence level of 80% with a sample size of 32, find the critical t value. You intend to est...
A: Obtain the critical value of t at the 80% confidence level. The critical value of t is obtained belo...
Q: (5) If X is a normal N(0, 1) random variable then E(X) is 1 -1 N/A (Select One) (6) Find the varianc...
A: (5) If X is a normal N0,1 random variable. That is, μ=0,σ2=1. The expected value of X is, μ=EX=0 Thu...
Q: The following is the number of sales per day for Kim Ryan, a courteous salesperson who worked for fo...
A: There are 4 values in 1, 11, 9, 3. We are drawing samples with replacement. So we can select the fi...
Q: Q3: The authors suggest using a Weibull distribution to model the duration of a bake step in the man...
A: Given information, we have to use Weibull distribution to the model. alpha=0.3 , beta=0.1 The proce...
Q: In a certain university, the students were informed that they need a grade in the top 8% of the engi...
A: Given: X=Grade to obtain the scholarship grant Mean μ=76 Standard deviation σ=14 X~Nμ=76,σ=14 The co...
Q: You are expecting two sets of exams- “easy” and “hard”. The probability of getting a hard exam is 0....
A: Having an easy exam is represented as E. Having a hard exam is represented as H. The first question ...
Q: A gaming company claimed that their role-playing games take over 65 hours to complete. A sample of 3...
A: Given, μ0=65n=300x=63s=10α=0.01 The hypothesis to be tested here is- H0:μ=65H1:μ>65 This is a rig...
Q: Create an example of a permutation and a combination (one of each) and use them to communicate the c...
A: Given: The objective is to communicate the connection between permutation and combination with an ex...
Q: A bag contains 2 green, 3 brown, and 2 yellow Smarties. Two Smarties are grabbed at random (one afte...
A: Given Information: A bag contains 2 green, 3 brown, and 2 yellow Smarties. Total smarties = 7 Two Sm...
Q: Assume that each bag contains 6 balls. Bag A contains 3 red and 3 white, while Bag B contains 3 red,...
A: Given: Bag A Number of red balls = 3 Number of white balls = 3 Bag B Number of red balls = 3 Number ...
Q: Using continuity correction, probability of observing less than 10 successes.
A: Given: probability for less than 10 successes
Q: Q1/ In a group of 15 mixed plants, 6 are red, 8 are yellow and 3 are both. What is the probability i...
A: Given information No of mixed plants = 15 No of red plants = 6 No of yellow = 8 Both = 3
Q: Determine the order of the poles for the given function. z - 1 f(z) = (z + 2)(z4 – 16)
A: The given function is rewritten as, fz=z-1z+2z4-16=z-1z+2z4-24=z-1z+2z2+22z-2z+2
Q: The following line was given in a solution to a question. (6C3 ×43 C3) + (6C4 ×43 C2) P(A) = 49C6 Wh...
A:
Q: Two fair dice are tossed once and events A and B are defined as follows. A:the score on the two dice...
A: It is an important part of statistics. It is widely used. Since the question has multiple sub parts ...
Q: A certain type of seed has a 75 % germination rate. You plant 20 or these seeds in your garden. ...
A: Since, you have you have posted a question with multiple subparts we will solve first three subparts...
Q: Twenty-three slips of paper are each marked with a different letter of the alphabet and placed in a...
A: Given that there 23 slips of paper are each marked with a different letter of the alphabets and plac...
Q: Q2: Serum amylase determinations were made on a sample of 15 apparently healthy subjects in the Elec...
A:
Q: here are the 25 data sets I need help om how to find the frequency data cause 12-1/8=1.33333 so i do...
A: The frequency distribution for the data is obtained using Excel. Here, it is possible to make 8 disc...
Q: The results of the previous Licensure Examination for Teachers show that the average score of exa ta...
A: We assume that the result score of the teachers is denoted by random variable X and hence, approxim...
Q: (2) Let X be a random variable with p.d.f. (k 1<x<10 S(x) = , then (a) k-2 (b) k-8 (c) k- (d) k-3 (e...
A: according to our guidelines we can answer only first question and rest can be re posted.
Q: 1. A game at thefair involves a wheel with seven sectors. Two of the sectors are pink, two of the se...
A: Given that a wheel has 7 sectors of which 2 sectors are pink, 2 sectors has orange, 2 sectors are ye...
Q: QI. Draw the discrete frequency table of the following data 40 59 26 16 13 70 35 54 24 55 86 80 80 6...
A: We enter the given data in Excel sheet and use =average () command to find mean, =Stdev() command to...
Q: rework problem 4 from section 3.4 of your text, involving probabilities on a tree diagram. Construct...
A: Given that Pr[X]=4/7Pr[Y]=1/7Pr[Z]=2/7Pr[A|X]=4/5Pr[B|X]=1/5Pr[A|Y]=2/3Pr[B|Y]=1/3Pr[A|Z]=7/8Pr[B|Z...
Q: Polution is one of he countrys problems for many years now. if event(shown in picture)
A: (As per bartleby guideline for more than 3 subparts only 3will be solved, Please upload another subp...
Q: Please do I) and II)
A: If A and B are independent events, then the events A' and B are also independent. The events A and B...
Q: Q 1. Suppose that X is a discrete random variable and takes only integer. The cumulative distributio...
A: (i). To sketch the cumulative distribution function FX(x), perform the below mentioned operations. ...
Q: What is the probability distribution if X B(3,0.82)? O P(X = 0) = 0.01 P(X = 1) = 0.08 P(X = 2) = 0....
A: From the provided information, X~B (3, 0.82) Probability of success (p) = 0.82 Sample size (n) = 3
Q: Q.3\ Shuffle a deck of 52 cards. How many outcomes are possible? (In other words, how many different...
A: Given Information: Shuffle a deck of 52 cards. To find number of different ways in which we can orde...
Q: A teacher is assigning one each of the letter grades A, B, C +, C, C-, and F to the 6 students. If s...
A: There are 6 grades and 6 students. The first student can get a grade in 6 ways. The second student ...
Q: The D part of this question
A: Given, Sample size, n= 80 Proportion, p= 56% = 0.56 q= 1-p= 1-0.56 q= 0.44 Mean= np= 80*0.56= 44.8 V...
Q: The average resting heart rate of a population is 85 beats per minute, with a standard deviation of ...
A: According to the provided information, μ=85σ=11.5
Q: 6. Considering the following control chart and identify all possible criteria (rules) that support o...
A: According to the provided information, the upper control limit (UCL), center control limit, and lowe...
Q: Find the area of the following z-scores using the z-table and draw the corresponding area under the ...
A: Note: As per bartleby guidelines for more than one questions asked, only one question is to be solve...
Q: Can you answer question 1: A-C only please! Thank you!
A: There are total (4+3+2)=9 balls We can select any 2 balls from 9 balls in 9P2=72 ways a) We can dr...
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