our answers.

Q: 14. What is the appropriate test statistic? A. z = *- B. z = C. z = 4o. D. None of the choices…

A: Here Given  n=30 μ0=12,500 s= 2000 alpha  = 10%

Q: Let V = R³ and S be the set of all vectors (x, y, z) in V such that x = r-3s, y = 2r + s an z = s,…

A:

Q: -8+262 +7 +26 in standard form

A:

Q: Rectangle ABCD is similar to rectangle JKLM. 12 in. K 6 in. If the area of rectangle ABCD is 18…

A:

Q: Abby earned $600 this past summer babysitting. She decided to put this money in a bank that earns a…

A: In the question we have to calculate the time to double her money.

Q: When comparing two sample proportions with a two-sided alternative hypothesis, all other factors…

A: Here, two sample proportion two sided test is being conducted. A smaller p value is found. The p…

Q: In a certain state, the recent average critical reading standardized test score was 540. Assume that…

A: P(X<500)=Pz<500-540100=P(z<-0.4)=0.3446=34.46% Therefore the correct option is A option.

Q: An inventor suggested in the nineteenth century that the letter "t" made up 8% of the English…

A: It is known that, the mean of the sampling distribution of sampling distribution, p-hat is equal to…

Q: IIS IS During one shift, the express lane clerk monitored how many times customers violated the "10…

A: Given From given graph

Q: A magician claims he can cause a coin to come up heads more than 50% of the time. A coin is flipped…

A: We have given that-  A magician claims that he can cause a coin to come up heads more than 50% of…

Q: The probability distribution of the random variable X represents the number of hits a baseball…

A: We know that,  Mean= (summation Xi)/n For sample size 25, n= 25

Q: Part I: a) Write a sequence to represent how many shaded triangles there are at each stage. b) Based…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Let V = R³ and S be the set of all vectors (x, y, z) in V such that x = r-3s, y = 2r+s and z = s,…

A:

Q: At a coffee shop, the first 100 customers' orders were as follows. Small Medium Large Hot 48 22 Cold…

A: Given :   small medium large Hot 5 48 22 cold 8 12 5

Q: A research poll showed that 1222 out of 1969 randomly polled people in a country favor the death…

A: a) From the given information, the sentence will be filled by following entries:0.599 and 0.642…

Q: For each statement, check all the boxes for the symbols that, when written in the blank space, will…

A: topic - sets  ∈ (belongs to) is used when element as it is present inside the set  . ⊂(contains in)…

Q: 16 What is the total volume of Diet Coke in this six pack? Each can is 5 inches tall and has a…

A: coke  is in cylindrical form. Volume of cylinder = 3.14 r2 h  r = 3/2 r = 1.5  height = 5  Volume of…

Q: A can of vegetables has a diameter of 10 cm and is 12 cm tall. How much paper is required to make…

A: Given that:Diameter of can, d=10cmLength of can, h=12cm

Q: Caleb invests $10,000 in a savings ccount that pays 3% simple interest w many years will it take the…

A:

Q: Overweight or obese adults from psychiatric programs were recruited and randomly assigned to a…

A: Consider the following table for necessary calculation.   Treatment Group Control group…

Q: Assume your class has 30 students and you want a random sample of 10 of them. A student suggests…

A:

Q: The distribution of the scores on a certain exam is N(40,10), which means that the exam scores are…

A: (a) Sketch the graph and label. The Empirical rule for any normal distribution is given below: The…

Q: The diameter of a marble is 3 centimeters. Determine the name of the shape, formula, and volume for…

A: Name of shape : Sphere Formula : V = (4/3) πr³

Q: 30) You wish to use a hypothesis test at a = 0.05 to test for a significant Spearman correlation,…

A: Question 30:Given that,The sample size is The sample Spearman correlation is The level of…

Q: Two streaming services have different fee structures. Musix charges $15/month plus .10 per song…

A: Here we create a general equation of charges for each streaming model. Then we equates both…