There were n topics (n >= 2) on an exam, from which a student drew two. Calculate n, knowing that the student had 190 opportunities to draw a set of topics

Q: n=9,p=0.3x<3

A: Given: A binomial trial with n=9, p=0.3. The probability of binomial experiment is given as…

Q: If the five numbers summary of 700 observations are: 10,20,25,30,40 ,then the number of observations…

A: Given No. of observations = 700 5 no. summary = 10,20,25,30,40

Q: 75. For a certain bowling league, a beginning bowler computes her handicap by taking 90% of the…

A: Given: a beginner bowler computes her handicap by taking 90% of the difference between 220 and her…

Q: 5. How would you interpret ran= .89, p<.05?

A: We are given that  Correlation coefficient r=0.89 Interpretation  There is strong positive linear…

Q: 20.q 3 4p — 1,000; р — 1,000

A: Given Data: The supply equation is: q=4p-1000 ......(1) The indicated unit price is: p¯=1000 For…

Q: A home pregnancy test was given to women, then pregnancy was verified through blood tests. The…

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Q: A sample of 3800 people were asked if they felt "good" about the economy. A 95% CI for the…

A: We have given 95% confidence interval for the proportion of who answer yes0.58&lt;p&lt;0.62 and…

Q: Do teachers find their work rewarding and satisfying? An article reports the results of a survey of…

A: There are two independent samples which are elementary and high school. We have to construct 95%…

Q: 8.) Madison is reading a novel on her Kindle. When she completes page 168, her Kindle says she has…

A:

Q: A private opinion poll is conducted for a politician to determine what proportion of the population…

A: given data,  A private opinion poll is conducted for a politician to determine what proportion of…

Q: What is the following: 1. Sum of X? 2. Sum of Y? 3. Sum of X2?

A:

Q: If a toss a coin twice are you certain to get one head and one tail?   If you toss a coin 100 time…

A: The question is asking about the probability of getting a certain outcome when tossing a coin. In…

Q: According to the results of a survey, 36% of 123 people indicated that American football is their…

A: Answer..

Q: how to slove x over 5 =-7

A: 'x' over 'y' means 'x' divided by 'y' . i.e, xy.

Q: Suppose that the results of a survey show that 35% of people consider summer as their favorite…

A: Critical value: Using the z-table, the critical value at 95% confidence level is

Q: 100 Use the figure to the right, which shows the percentages of adults from several countries who…

A: Let P1denote the proportion of adults in country C who favour building new nuclear power plants in…

Q: Table 10 provides the daily website traffic overview for the last week. You are analyzing the data…

A: Note: The provided functions are Excel functions, so to solve the provided question we need to…

Q: n=10,p=0.3,x<4

A: The formula for binomial probability is represented as :   Given: n=10 p=0.3 x&lt; 4

Q: 20. Graph the following values on the number line: -1.5, * V5, - 2.25

A:

Q: 20% of the girls in class have blonde hair. 16 girls do not have blonde hair. How many total…

A: NOTE- AS we are allowed to answer one question in one session so, i have answere dfirst one for you…

Q: Can you calculate the grades. The green ones are the grades got on each exam.

A: To calculate the grades of the marks obtained in each exam that are represented by color green.…

Q: A bank developed a model for predicting the average checking and savings account balance as balance…

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Q: hat is the last digit in the product of (3¹)(3²)(3³)(34)...(34⁰⁰)?

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Q: 8% of the responding groups said they committed crimes under the influence how many students…

A: According to given information 8% students are 143.

Q: find mean if n is 4 and p is 0.2

A: According to the provided information, n =4 p =0.2

Q: Let us flip a coin where heads represent +1 and tails represent -1 If you cannot go under a score…

A: Given information: Let us flip a coin where heads represent + 1 and tails represent -1. Score should…

Q: Find mean if n is 7 and p is 0.2

A: According to the provided information, n = 7 p = 0.2

Q: What is n-1 choose n-1 equal to

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Q: The average of 5 consecutive integers starting with m as the first integer is n. What is the average…

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Q: The pass result of 50 students who took up a test is given below : Marks No. of students 4 5 10 6.…

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Q: n=9, p=0.2x<3

A: Here we need to find P(X&lt;3).

Q: In a poll of 593 human resource professionals, 35.9% said that body piercings and tattoos were big…

A: The appropriate CI for the proportion that would describe the proportion of "professionals, who…

Q: "15 is what percent of 25" means 15=x*25. O True False

A: 15 is 60 percent of 25. 15 out of 25 can also be written as 15/25. The numerator (15) and…

Q: s 9, (1) find x (2) find the mean of the last three observations..

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Q: find p (more than 3)

A: Since there are 4 possible answer among which one is correct therefore Probability (p) = 1/4 =…

Q: n=8,p=0.2,x<4

A: