A B Savings (in Php) Number of online transactions 40000 10 30000 15 20000 20 22000 24 41000 18 50000 10 34000 10 28000 20 56500 24 90400 12

Q: Helen wants to compare two machines in her factory to see if the wrapping was satisfactory. She want...

A: There are two independent samples which are machine A and machine B. We have to test whether there i...

Q: Americans (on average) individually eat 16 pounds of seafood each year with a standard deviation of ...

A: Given that   x̄ = 14 , μ = 16 , ? = 7 , n = 4

Q: A student is randomly selected. i. What is the probability that the student got an A grade or is Fem...

A: here use given table of data use basic of probability , and Bayes rule  

Q: A company is doing a hypothesis test on the variation of quality from two suppliers. Both distributi...

A:

Q: The average amount of money that people spend at Don Mcalds fast food place is $7.2700 with a standa...

A: The random variable X follows normal distribution. We have to determine the distribution of X, sampl...

Q: Given the figure below, find P(A I B U C). I

A: Here given venn diagram for events A,B,C

Q: The average price of a college math textbook is $153 and the standard deviation is $23. Suppose that...

A: The random variable X follows normal distribution. We have to determine the distribution of sample m...

Q: Identify why this assignment of probabilities cannot be legitimate: P(A) = 0.4, P(B) = 0.3, and P(A...

A: Probability In a random experiment, the probability is the estimate of the possibility that an outco...

Q: Determine whether a normal sampling distribution can be used for the following sample statistics. If...

A:

Q: One year, the mean age of an inmate on death row was 41.5 years. A sociologist wondered whether the ...

A: Sample size (n) = 32Sample mean (x̅) = 40.2Standard deviations (s) = 9.1Significance level (α) = 1 -...

Q: erivation. ed trees were measured. Let Ν(μ. 16) . Find P( Y -μ.

A:

Q: L_et X be the lif_et_ime (in years) of an el_ect_ronic compone_nt having the exp_onential  distri_ w...

A: The random variable X denotes the lifetime (in years) of an electronic component having the exponent...

Q: Identify why this assignment of probabilities cannot be legitimate: P(A) = 0.4, P(B) = 0.3, and P(A...

A: We have given the probabilities P(A) = 0.4, P(B) = 0.3, and P(A and B)=0.5

Q: X1,..., Xn are iid samples from a normal distribution with n < 30 The mean and variance for the dist...

A: x1,x2,...,xn are samples from a normal distribution with mean µ and variance σ2 . x1,x2,...,xn ~ N(µ...

Q: At Burnt Mesa Pueblo, archaeological studies have used the method of tree-ring dating in an effort t...

A: Emperical rule  68% area cover in the interval μ±σ 95% area cover in the interval μ±2σ 99.7% are cov...

Q: Lecture(10.3c): Identify the test statistic used for  the ANOVA procedure  and how it is calculated...

A: We want to tell you which one is the correct choice

Q: 14% of all Americans suffer from sleep apnea. A researcher suspects that a lower percentage of those...

A:    

Q: a) The University of the East Europe is interested in the overall performance of its students in the...

A: (a) The university of the East Europe is interested in the overall performance of its students in th...

Q: The average McDonald's restaurant generates $3.4 million in sales each year with a standard deviatio...

A:

Q: what is the median?. (b)what is the mode?. (c) What is the standard deviation for this sample.

A: Here ascending order of given data    60, 62, 64, 65, 71, 73, 74, 78, 83, 84, 84, 85, 87, 89, 91, 92...

Q: You have computed the test statistic for a test involving 2 independent means. The sample sizes were...

A: Given that  n1=15 , n2=20 , test statistics=t=2.356 Find P-value for right tailed 

Q: Fertilizer: A new type of fertilizer is being tested on a plot of land in an orange grove, to see wh...

A: According to the given information in this question The null hypothesis is a hypothesis of no differ...

Q: ) Find the mean and standard deviation of the random variable whose probability density function is ...

A:

Q: 12.18 Severe anxiety often accompanies patients who must undergo chronic hemodialysis. A study was u...

A: Introduction: Denote μ1, μ2 as the true posttest anxiety scores of the treatment and experimental gr...

Q: To test Ho: u = 40 versus H,: µ < 40, a random sample of size n = 24 is obtained from a population t...

A:

Q: A simple random sample of 120 vet clinics in the Midwest reveals that the vast majority of clinics o...

A: Given that  Sample size n =120 Favorable cases x =88 Sample proportion p^=x/n  =88/120 =0.7333

Q: A surprising fact: only 51% of all teens in Canada use a password on their mobile device. If a poll ...

A: Solution: Given information: μp^= 0.51  Mean of sample proportion σp^= 0.15 Standard deviation of sa...

Q: A used car dealer says that the mean price of a​ three-year-old sports utility vehicle is ​$22,000. ...

A:  

Q: 3) Medical researchers are studying the relationship between metacarpal fractures and time spent pla...

A: We will find the probability from above table  

Q: Consider a hypothesis testing situation in which the null hypothesis is p = 0.48 and the alternative...

A:

Q: The best way to determine if a statistical hypothesis is true is to examine a random sample from the...

A: Statistical hypothesis - Statement regarding nature of population * it stated in terms of population...

Q: Fake Twitter followers: Many celebrities and public figures have Twitter accounts with large numbers...

A: We have given that,  Mean (x̄) = 13.1 with standard deviation          (σ) = 10.1 and sample size (n...

Q: ample of 18 macle trees in Vermont were treated with one of three amounts of fertilizer. The volume ...

A: Fertilizers             Low 74.2 80.4 74.2 81.4 85.9 86.9 Medium 89 97.1 95 100.2 92.7 96.2 Hi...

Q: The past five monthly returns for Kohls are 4.11 percent, 3.62 percent, −1.68 percent, 9.25 percent,...

A: From the provided information, Sample size (n) = 5 The data values are 4.11%, 3.62%, -1.68%, 9.25%, ...

Q: The wekly dema_nd for gasoline (in 100s liters) from a partic_ular raci_g car is a ran_dom  varia_bl...

A: A continuous random variable is a variable whose value can be obtained by measuring. A continuous ra...

Q: A bottled water company has found in the past that 2% of their bottled water does not meet the compa...

A: i. According to the question, the bottled water company has found that 2% of their bottled water doe...

Q: The Peabody  Picture Vocabulary Test has a standard score population mean of 100 and a standard dev...

A: The Peabody  Picture Vocabulary Test has a standard score population mean of 100 and a standard devi...

Q: A researcher hypothesizes that performance on a cognitive test will be better when people have had a...

A: Hypothesis testing : Hypothesis testing is a type of statistical inference that uses sample data to ...

Q: What is the probability that there will be at least one defective on the next run of 100 products

A:

Q: Hip surgery: In a sample of 117 hip surgeries of a certain type, the average surgery time was 135.7 ...

A: Given that  x̄ =135.7 ,  s = 21.9 , n = 117

Q: Eat your cereal: Boxes of cereal are labeled as containing 14 ounces. Following are the weights, in ...

A: The random variable weight follows normal distribution. We have to construct 80% confidence interval...

Q: A random sample of forty-one 200-meter swims has a mean time of 3.875 minutes. The population standa...

A: Confidence interval formula  95% C.I = (  x̄     ±     Zc× ?/√(n) )

Q: equires women's heights to be between 58 in and 80 in. . Find the percentage of women meeting the he...

A: Women's Hight is with mean and standard deviation μ=63.8σ=2.2

Q: (I) what is the regression equation (ii) What is the sample size used in this investigation?

A: From the given output (I) what is the regression equation (ii) What is the sample size used in this...

Q: QUESTION 6 The distance of residential moves is found to be exponential, with lambda = 0.06 km. Find...

A: Solution

Q: Calculate the number of Reese's in the second bag.

A:

Q: mammal or threatened foreign species)=

A:

Q: In a previous nationwide poll of a large country, 45% of adults with children under the age of 18 re...

A: The random variable X follows normal distribution. We have to test whether the proportion of familie...

Q: Baby weights: Following are weights, in pounds, of 10 two-month-old baby girls. It is reasonable to ...

A: From the provided information, Sample size (n) = 10 Confidence level = 99.5%

Q: mplete parts (a) through (c) below. Determine the critical value(s) for a right-tailed test of a pop...

A: We have given that α = 0.10 n = 16