Use normal approximation to estimate the probability of getting exactly 52 girls in 100 births. Assume that boys and girls are equally likely.

Q: a- Probability that at least one of them is able to solve the problem? b- Students A and Students C…

A: Here  P1 = probability that student A solved problem = 1/3 P2 = probability that student B solved…

Q: 2. An email spam filter applies the test to each incoming email.Suppose 80% of all emails are spam,…

A:

Q: The manufacturer claims that your new car gets 23 mpg on the highway. You suspect that the mpg is…

A: 1. Assume that μ is the population mean mpg of car.

Q: A random variable has the PDF shown in the figure. Find the numerical value of the parameter K. Find…

A:

Q: 1. A sample of 10-year-old children found that they receive the following weekly allowances: $6, $1,…

A: The data are X: 6, 1, 2, 10, 4, 3, 9

Q: A statistics practitioner took a random sample of 48 observations from a population whose standard…

A: sample size(n)=48 population standard deviation(σ)=25 Mean(x)=105

Q: Test the claim that the proportion of people who own cats is larger than 80% at the 0.01…

A: Claim : the proportion of people who own cats is larger than 80%. Sample size(n)=800 Sample…

Q: 2. A drug company claims that if you take their new wonder drug "Ainstats", that more than 83% of…

A: Proportion of students with improved statistics grade as claimed by the company = 0.83 (83%) Tota…

Q: What is the probability of getting either a sum of 8 or at least one 6 in the roll of a pair of…

A: The number of faces in a die=6 A pair of dice is thrown. i.e. The number of possible outcome=36

Q: f. Find the IQR for the average of 7 cities. Q1 = ppm Q3 ppm IQR: ppm

A: (f)   The value of Q1 for the average of 7 cities is obtained below as follows:   Use TI-84…

Q: An assorted snack tray has three popcorn bags, four granola bars, and six apples. What is the…

A: Number of popcorn bags = 3  Number of granola bars = 4  Number of apples = 6  Total number of…

Q: Suppose you take a random sample of size 64 from an exponential distribution with mean 2. Estimate…

A:

Q: Kim wants to determine a 80 percent confidence interval for the true proportion p of high school…

A: Margin of error =0.04

Q: A grocery store manager did a study to look at the relationship between the amount of time (in…

A: Note: As per our guidelines we are supposed to answer only 3 sub-parts of any questions so i am…

Q: The probability distribution for the number of pages that Julie can read in an hour is given below.…

A: According to the given information in this question We need to find the expected value

Q: A telemarketer is paid $10 for each sale she makes. The probability that any call she makes results…

A:

Q: It is given that 5% of the flower pots arriving to the florist are broken. Find the probability when…

A: It is given that 5% of the flower pots arriving to the florist are broken.

Q: The number of pizzas consumed per month by university students is normally distributed with a mean…

A: Let X be the random variable from normal distribution with mean (μ) = 14, standard deviation (σ) = 5…

Q: A group of 650 tourists includes 248 who have visited Germany, 115 who have visited Holland, and 319…

A: Note: Hi there! Thank you for posting the question. To avoid the plagiarism issues, we have used the…

Q: The decimal answers in the box were wrong but the expected value of x was correct.

A: Given that a box contains 9 cameras and that 4 of them are defective P(defective) = p = 4/9  n = 2…

Q: 5. Suppose that 0 < P(A) < 1, 0 < P(B) < 1, P(AB) + P(AB) = 1. Are events A and B independent?

A: Suppose that 0&lt;P(A)&lt;1,   0&lt;P(B)&lt;1,   P(A|B) + P(A¯|B¯)=1

Q: In a large bag of marbles, there are 20 red, 15 blue, and 10 green marbles. If three marbles are…

A: From the provided information, In a large bag of marbles, there are 20 red, 15 blue, and 10 green…

Q: A market researcher wants to determine whether a new model of a personal computer that had been…

A: It is given that: PRegularly watched=0.13PCorrectly identify=0.39PRegularly watched∩Correctly…

Q: Marketing Suppose you select a student and observe his or her major. Find the probability he or she…

A: As per policy I have calculated first main question as you have posted 3 different questions .plz…

Q: a. Set up a contingency table on education (X) and job satisfaction (Y). If needed, round your…

A: Given the data of the educational level and productivity of 20 employees in the City of Fullerton…

Q: You and 9 of your friends go on separate runs of the Monty all game show; you all know probability…

A: Let X be the number of friends that get the same prize as you. Then, X can take values from 0 to 9,…

Q: (1) Let A, B be two events, then which one of the following relationship is correct ( ). (A) (AUB)-B…

A: As per our guidelines we are supposed to answer only one question. Let A, B be two events, then…

Q: What is the probability of picking 2 non-face cards out of a deck of playing cards if you do not…

A: Answer:- We know that, total number of cards in a deck = 52  The number of non-face cards in a deck…

Q: Here is a table showing all 52 cards in a standard deck.  Suppose one card is drawn at random from…

A: Total no. of cards in a deck=52 No. of Red Heart cards in a deck=12 No. of Red Diamond cards in a…

Q: Develop the Likelihood Ratio Test for Ho: 0=2 versus H.: 0*2 when sampling from a Poisson…

A: From the given information,

Q: Part 2: Carnival Games At the carnival, you may remember a game where you throw darts to pop two…

A: Given the game, where we throw darts to pop two balloons from a wall. There are 50 balloons on the…

Q: You flip a fair coin 4 times. What is the probability that exactly two of those land on Heads? 1/2…

A: Number of trials n=4 Probability of head p=1/2

Q: A person has a 30 percent chance of winning on a scratch-off lottery ticket. What is the probability…

A:

Q: Compute the probability P (DIC) using P(DNC) P(DIC)= P(C) and the appropriate table values. P(DIC)=…

A: A                    B                    C                   Total D…

Q: Mail Order A mail order company has a 7% success rate. If it mails advertisements to 518 people,…

A: sample size : n = 518P(success) = p = 0.07x = no. of successesP(x&lt;31) = ?

Q: (10) Alice chose a bookshelf uniformly at random, and then chose a hook from that shelt uniformly at…

A: Use Bayes Theorem

Q: You know you have 5 pairs of sock in the laundry basket. You want a pair of matched socks but can’t…

A: To guarantee that you will get a matching pair of socks, you need to consider the worst-case…

Q: A population of values a normal distribution with mu = 123.8 and Standard deviation = 23.8 A random…

A: Answer:- Given, Population mean, µ = 123.8  Standard deviation, σ = 23.8  Random sample size, n = 34…

Q: Can you please show all work with an explanation of how to solve binomial distribution?

A: to find the expected number of friends who get the same prize as you in a group of 10 people playing…

Q: Could you address all the questions thank you  A random variable X maps the outcome of a pair of…

A: Probability is a fundamental concept in mathematics that deals with the study of random events. It…

Q: (d) List three uses for this distribution in practical terms. (e) Appropriate refererencing to be…

A: (d) The normal distribution has several practical uses in various fields, including: Quality…

Q: Supply the missing quantities. Outcome P(An E) = P(An F) = P(BNG) = P(BH) = = 0.2 0.1 Figure A B U…

A: The tree-diagram with missing quantities are given

Q: A factory tests a random sample of 17 transistors for defects. The probability that a particular…

A: n=17 r=0 P=0.06 q=0.94

Q: Find the distribution law for the amount of lost money (in euro) and calculate its expected value.

A: A wallet contained six 2-euro coins and three 1-euro coins. Four coins accidentally fell out of the…

Q: Suppose we want to choose 6 letters, without replacement, from 8 distinct letters. (a) How many…

A: Number of choosen letters (r) = 6 Total number of letters (n) = 8  Consider a situation where r…

Q: A student is taking a multiple-choice exam in which each question has four choices A, B, C, and D.…

A: Note:- "Since you have posted a question with multiple sub parts, we will provide the solution only…

Q: Find a discrete or continuous distribution that has NOT been covered in this course. In 1 page…

A: Let us consider the Weibull distribution.

Q: Elimination Tournaments In an elimination tournament the teams are arranged in opponent pairs for…

A: The total number of teams in the elimination tournament =4 The total number of rounds to be played…

Q: A survey asked buyers whether color, size, or brand influenced their choice of cell phone. The…

A:

Q: K Consider the random variables X and Y with the joint density function shown to the right. (a) Find…

A: