2. Ina random sample of 500 students in SNHS eating lunch, it was found out that 160 preferred sea foods. Construct a 90% confidence interval for the population proportion of all students in SNHS who eat sea foods.

Q: The Brand A cellphone company claims that its phones have an almost the same lifespan as of the…

A: There are two independent samples which are Brand A and Brand B. We have to test whether phones have…

Q: The psd of X(t) is given by (1+@² for | @|<1 Sxx (@) otherwise Find the autocorrelation function.

A:

Q: 2. Show how the Poisson distribution -m m e (x= 0, 1, 2,...) %3D х! can be regarded as the limiting…

A:

Q: (2) The real part of Syy (@) and the real part of Syx (@) are even functions of o, i.e., Re[Sy (@)]…

A:

Q: 7. Consider the waiting consider the weighted voting system [q: 7, 5, 3]. a) What is the weight of…

A:

Q: Given the following results of the height and weight of 1,000 men students : 3=68", X-150 lbs, 960,…

A:

Q: 19) Al and Joe are two county sheriff's deputies assigned to watch for traffic violations. Their…

A: Introduction In the given scenario, the arrests and convictions by the two officers (Al and Joe)…

Q: The psd of X(t) is given by [1+ @? for | @|<1 Sxx (@) otherwise Find the autocorrelation function.

A:

Q: Step 1: State the Hypothesis Ha: ĩ # 100 hrs Ho:ĩ = 100 hrs Step 2: Level of Significance a =0.05…

A: Given  n=100 bulbs μ=1000 hrs σ=100 hrs x¯=980 hrs

Q: (b) Alice and Bob are playing a game of chance consisting of repeated rounds in which each has an…

A:

Q: Difference of the following range spread (25%, 40%, 70%, and 120%) for Midpoints: D% 70% 120%

A: *Answer:    1) For the midpoint 18000 Range spread= 25% =0.25 Minimum=Midpoint1+range spread2…

Q: show that a best critical region for testing H : 0 = 1 vs Ha : 0 = 2 is C = ((11, x2, ..., n) : c <…

A: The Neymann-Perason Lemma will be used to find the best critical regiol for given hypotheses.

Q: 30 34 38 40 41 48 49 53 60 63 78 103 124 140 192 198 227 330 361 421 514 546 750 864 1638 What is…

A: *Answer:

Q: A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2821…

A:

Q: A spinner has 3 possible outcomes: red, blue, and green. The probability the spinner lands on red is…

A:

Q: 7. Assume that the number of shares of a stock market in the UK bought over time follows a Poisson…

A: Let X be the distribution of the number of shares sold in the UK which is as follows X~Pois(12) And,…

Q: use a pivot table to construct a cross-tabulation for marital statues and housing type for the data…

A: Given : The question is about a counting of data using a pivot table Marital status Housing Type…

Q: a. Fit a linear trend curve by the least-squares method to the following data and determine…

A: Given that - a) Year 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020…

Q: A researcher claims that the average wind speed in a certain city is 8 miles per hour. A sample of…

A:

Q: How many ways are there to arrange the books?

A: There are 4 engineering and 3 science books on the bookshelf.

Q: im still confused

A:

Q: 1. A probability distribution is made by a school to record the number of phone calls from parents…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: The use of preservatives in meats is extensively tested for its safe used. A processor wants to…

A: Denote μ1, μ2 as the population mean number of mean number of hours until spoilage for preservative…

Q: QUESTION 19 Results that are significant indicate that the data has proven your hypothesis. True O…

A: From the given information in question  We answer the correct option

Q: A popular theory is that presidential candidates have an advantage if they are taller than their…

A:

Q: In randomized, double-blind clinical trials of a new vaccine, children were randomly divided into…

A:

Q: The number of books on the office bookshelves of eight professors are shown below. Use the range…

A:

Q: The federal government requires a car manufacturer to have a minimum miles per gallon (mpg) average…

A:

Q: In 1990, out of a total of 2,000 students in a college 1,400 were for Graduation and the kesy for…

A:

Q: QUESTION 19 Results that are significant indicate that the data has proven your hypothesis. O True…

A:

Q: plete the table; then determine whether the null hypothesis would be rejected using 95% level of…

A: Given : n x Hypothesized proportion  p0 120 21 0.05 138 32 0.07 200 45 0.1 392 102 0.18

Q: Let h and µ, denote the mean and rth moment about mean of a Poisson distribution respectively.…

A:

Q: Suppose that you draw a random sample from a population where you know the population mean is 36 and…

A:

Q: Find the cross correlation function for the psd Sxy 25+ a

A:

Q: Q2/ In field work, vertical angles was measured from station A to stations B.C, as show in table…

A:

Q: The manager of a bottling plant is anxious to reduce the variability in net weight of fruit bottled.…

A: Claim : the manager that the new machine has a better performance.

Q: ren the following exchar $/Kes 95.11 95.19

A: Given, Day S/Kes (At) 1 95.11 2 95.10 3 95.15 4 95.15 5 95.10 6 95.30 7 95.39 8…

Q: A social media survey found that 74​% of parents are​ "friends" with their children on a certain…

A: Hi! Thank you for the question, as per the honor code, we are allowed to answer three sub-parts at a…

Q: (a) A random variable X is defined as the larger of the scores obtained in two throws of an…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: USING A KRUSKAL-WALLIS NON-PARAMETRIC TEST , SOLVE AND INTERPRET IF THE NULL IS RETAIN OR REJECTED…

A: A KRUSKAL-WALLIS test is non parametric and it used to check the mean difference between three (or)…

Q: A market research firm interested in finding out the effects of increasing the length of…

A: Given a scenario we have to find which type of research design is being used here.

Q: Q.10) a) What are the differences between the data and information? b) Explain the differences…

A: a) DATA is a collection of facts, while INFORMATION puts those facts into context.   DATA: Data is…

Q: Use multiple linear regression to fit the following tabulated data: x1 4.5 6. 75 6. 12 x2 8.5 11…

A: For the given data Find Multiple regression equation is =? Standard error of estimate =? Correlation…

Q: Q2) A bag contains 5 white balls and 5 black balls; another contains 3 white balls and 7 black…

A: Given bag 1 contains 5 white balls and 5 black balls; bag 2 contains 3 white balls and 7 black…

Q: Use the mixed congruential method to generate a sequence of 32 random numbers with Xo=8, a=9, c=13,…

A:

Q: Find the psd of a WSS random process X(t) whose autocorrelation function is Rxx (7) = ae"™.

A:

Q: f a company’s mailings 0.56% are returned because of incorrect or incomplete addresses. In a mailing…

A: Given that  Of a company’s mailings 0.56% are returned because of incorrect or incomplete addresses.…

Q: A diagnostic test is being developed to identify two groups of patients, those are given in the…

A: Threshold value is given =58 Means ( test results above 58 is positive test for exposure) We have to…

Q: Which of the following is a probabilistic sampling approach that does not require the use of a…

A: Given that Which of the following is a probabilistic sampling approach that does not require the use…

Q: Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0…

A: