How many ways to choose 10 students? Let X denote the number of students with glasses among the 10 students. What is the support of X? How many ways to choose 10 students such that 3 of them wear glasses and the rest do not wear? Compute P(X = 3).

Q: al researcher says that less than 79​% of adults in a certain country think that healthy children…

A: 1) let P be the population proportion = 0.79  2) P0 be the sample proportion = 0.77 3) random sample…

Q: 2. In a quiz taken by 35 students, the score ranges of grade A+ is from 90 to 100. At least how many…

A: Let us understand the pigeonhole principle first. A very simple way to do it is this way: If there…

Q: Assune that you have a committee of 12 members, made up of 3 men and 9 women. In how many ways can…

A: Given, 12 members in the committee, made up 3 men and 9 women  To find the number of ways 3 tasks be…

Q: There is a bag containing 40 blue marbles and 60 red marbles. You choose 10 marbles (without…

A: The given data : Number of blue marbles =40 Number of red marbles =60  Thus, the total number of…

Q: The Old Farmer’s Almanac stated that the average consumption of water per person per day was 123…

A: Given:               Hypothesis :                                 Under The null hypothesis, the…

Q: In a math 105 class of 32 students, a survey showed that 20 students used the ALEKS etext at least…

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Q: a student takes a true false test that has 6 questions and guests randomly at each answer. Let x be…

A:

Q: There are 10 students in a cafeteria. If x denoted the number of males, what are the poasible values…

A: Given: The number of candidates in a cafeteria is, n=10. The number of males is x. The objective…

Q: Anew restaurant with 150 seats is being planned. Studies show that 64% of the cuntomers demand a…

A:

Q: A cinema can accomodate 200 customers. Let z denote the number of customers in the cinema. What are…

A:

Q: O At a DBE lecture of 100 students, there are 29 women and 23 men. Out of these students, 4 are…

A:

Q: structed to offer them a double-miles promotion. About 6% of all cardholders hold platinum cards,…

A: here given , Raaj works at the customer service call center of a major credit card bank. Cardholders…

Q: 2. A pharmaceutical company claims that their pill relieves heartburn in over 90% of the people who…

A: Given that, a pharmaceutical company claims that their pill relieves heartburn in over 90% of the…

Q: Find the number of successes x suggested by the given statement Among 690 adults selected randomly…

A: Solution: Given information: n= 690 Sample size of adults p^=0.235 Sample proportion

Q: A multinational firm hired a consultant to determine if the workers in their domestic plants were…

A: Given Information : A multinational firm hired a consultant to determine if the workers in their…

Q: Write down the R solutions of the following questions. A shoe company wants to compare two…

A: The appropriate hypothesis to test for the given case is The given confidence level is 95% so the…

Q: A UTM received 1000 applications for the undergraduate program ev« applicants, 150 had a CGPA score…

A: Given: n(total) = 1000 n(3.50 to 3.70) = 520 n(>3.7) = 150 n(< 3) = 20% of 1000

Q: 24. At a local pool, a new swimming instructor (Teacher 1) is being evaluated by how many of his…

A: x(students of Teacher 1 who pass the test)=17 n(total students of Teacher 1)=30 y(students of…

Q: The problem is "Twelve percent of the job applicants for a large company have recently smoked…

A: Let M be the event that shows applicant having (smoked) marijuana.C be the event that shows…

Q: The t test for the difference between the means of 2 independent populations assumes that the…

A: We have given that  The t test for the difference between the means of 2 independent populations…

Q: university requires applicants to take a standardized test. Suppose that 200 students took the test,…

A: Here For Percentile means he performed better than others

Q: Two trains arrive at a station at random between 7 A.M. and 7:30 A.M. One train stops for 5 min and…

A:

Q: A student takes a true-false test that has 6 questions and guesses randomly at each answer. Let X be…

A:

Q: Jane measures the age of death of 4 strains of mice using 40 male mice per strain, with 20 mice from…

A: Given information: Given that Jane measures he age of death of 4 strains of mice using 40 male mice…

Q: Last year at a local country club, 60% of the golfers were “full members”, 30% were “junior…

A: Given: Observed values of a sample is as follows Full members 210 Junior members 100 Guests…

Q: that the machine is producing more than 97% good parts (H0: p = 0.97 and Ha : p > 0.97). The test…

A:

Q: the - 10, the sample size is 5% of the population size, and the sample Because npo (1- Po) = v…

A: Given:  Population proportion P =0.58 Sample size n  = 350 X = 210 Sample proportion p = x /n = 0.6…

Q: Mrs. Dronamraju has 30 tall plants. Fifteen of her plants have a height of 1.60 m and the remaining…

A:

Q: The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.25…

A: Given,n=1908x=439p^=xnp^=4391908=0.2301

Q: A cinema can accomodate 200 customers. Let z denotes the numbers of the customers in cinema. What…

A: Introduction: It is given that the cinema can accommodate 200 customers. The random variable z…

Q: A medical researcher says that less than 86% of adults in a certain country think that healthy…

A: solution

Q: There are N people sitting around a round table, where N > 5. Each person tosses a coin. Anyone…

A: Let the N people sitting around the table be numbered as 1,2,3,...N.X is the number of people who…

Q: A total of 205 people were asked to pick their favorite product from a list of three options.…

A: Given : Claim : Three products have different chances of being chosen.

Q: A store is required to reach an average weekly target of 800 sales of a certain brand of clothing.…

A: Given that  Average weekly target is x¯=800 On Monday=745 On Tuesday=796 On Wednesday=801 On…

Q: The flight from Greenville to Charlotte can take anywhere from 43 minutes to 68 minutes.  Suppose…

A:

Q: To test the claim that american quarters are biased towards heads, suppose you flip an american…

A: Introduction: Denote p as the true probability or proportion of obtaining heads on flipping the…

Q: A medical researcher says that less than 86% of adults in a certain country think that healthy…

A: Given,sample size(n)=400sample proportion(p^)=0.84α=0.10

Q: According to a recent report, 12% of all adults eat pizza with a knife and fork.  A researcher…

A: Population proportion is given as 12%

Q: Mr. Schmidt surveyed his class and found that 70% of the students have at least one pet. If 21 of…

A:

Q: medical researcher says that less than 85​% of adults in a certain country think that healthy…

A: Given that  A medical researcher says that less than 85​% of adults in a certain country think that…

Q: A high p-value, such as 0.8, prov This statement is true.

A: The P-value is 0.8.

Q: At a local pool, a new swimming instructor (Teacher 1) is being evaluated by how many of his…

A: From the provided information,

Q: For this problem, assume the cooler contains 28 cans, 10 of which are regular, and the rest of which…

A: Note: As per our Honor code policy, we are authorized to answer only three sub parts at a time. So,…

Q: 4 For this problem, assume there are 10 adjacent seats in a row. How many different ways can 10…

A: the number of arrangements or ways  r people seated n adjacent seats row  =nPr =n!/(n-r)!

Q: A medical researcher says that less than 85​% of adults in a certain country think that healthy…

A:

Q: A medical researcher says that less than 81% of adults in a certain country think that healthy…

A:

Q: A box contains three red marbles and four green marbles. JB picks two marbles at random from this…

A: