A specific location has a 10% chance of rain on any given day. How many days should you expect to wait for it to rain exactly twice? Assume that each trial (observation of rain) is independent. 2 20 10 5

Q: The mean of Binomial distribution is 3 and variance is. Find P(1 < x < 6)

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Q: 3. Among the products of the first company, defective is 10%, the second - 20%, the third - 25%. We ...

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Q: second-stage smog alert has been called in a certain area of Los Angeles County in which there are 7...

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Q: 1. List the elements of each sample space given belo"

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Q: There is a  standard deck of 52 cards, a hand of 7 is dealt. Please find How many hands are possibl...

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Q: Find the number of permutation if five 1,000- peso bills, three 100-peso bills, and two 50- peso bil...

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Q: In a colony, there are 55 members. Every member posts a greeting card to all the members. How many g...

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Q: Heart failure is due to either natural occurrences (84%) or outside factors (16%). Outside factors a...

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Q: Luiza has 10 different keys. In how many ways can she arrange the keys in a key chain?

A: luiza has 10 different keys .in how many ways can she arrange the keys in a key chain?

Q: 1. How many 3 or 4 digit even numbers greater than 700 can be formed by: a. Using the digits 0-9. Re...

A: Let there are three chairs A, B and C in one side of a table. The different ways in which these chai...

Q: On a single train journey there is a probability of 0.3 that your ticket will be checked. You make a...

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Q: 15. Suppose we have a continuous random variable over -2 < x < 5. What is the mean of X? Round-off t...

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Q: [Show complete solution] According to a survey, 53% of adult Americans are in favor of the death pen...

A: Given that n =15,p=0.53, P (x&lt;=9 ) =?

Q: For the sample: 45 84 73 58 54 73 52 60 51 80. Determine the variance and round answer to 2 decimal ...

A: We have given that,  The data of the sample is,  45, 84, 73, 58, 54, 73, 52, 60, 51, 80 Then,  We wi...

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A: Note: According to Bartleby expert guidelines, we can answer only first question with their three su...

Q: A company's mean salary is $65,000 with a standard deviation of $6,000. If a sample of 40 employees ...

A: GivenMean(x)=65000standard deviation(s)=6000sample size(n)=40

Q: For the discrete probability distribution. 1 3 4 5 7 f k 2k 2k 3k k² 2k² 7k² + k Find the variance.

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Q: It is given that X~N( 30, 5). Find P(27<X<33) O a. 0.5486 O b. 0.4514 O c. 0.7257 O d. 0.2743

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Q: Suppose you spin this spinner twice, find the probability a. P(both spins are red) red yellow b. P(f...

A: As per our guidelines we are supposed to answer only 3 sub-parts (if there are multiple sub-parts as...

Q: There is an average of 4 accidents in a week on a major highway in the city. What is the standard de...

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Q: 1. The final exam scores in a statistics class are normally distributed with a mean u = 64 an standa...

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Q: A patient stayed less than 7 days. Choose... Choose. A patient stayed at least 4 days. 122/127 A pat...

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Q: If you have 12 boxes then how many balls do you have to put randomly into the boxes in order to guar...

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Q: In the past, it had a probability of 0.68 success in any attempt to make a call on the telephone. Ca...

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Q: A survey found that the average monthly rental fee of an ordinary dorm in NCR is Php 5,100 and in Re...

A: Testing of hypothesis is a rule which leads to a decision to accept or to reject the hypothesis unde...

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Q: A regional telephone company operates 3 identical relay stations at different locations. During a pe...

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Q: Ho : µ = 6 vs Ha : µ # 6 has the value t* = 1.93. Based on this information %3D we would reject the ...

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Q: 2. probability that in a sample of 20 children there will be: List each of the probabilities in your...

A: Given,n=20 , p=0.25q=1-0.25=0.75A random variable X~Binomial(n=20 , p=0.25)P(X=x)=20x0.25x0.7520-x  ...

Q: II. Solve for the variance and standard deviation.

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Q: Question 2 In Alpha College, students are required to join at least one school club to get extra-cur...

A: As per our guidelines we are supposed to answer only 3 sub-parts of any question per post so I am so...

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A: Given,  x= number of clubs join by student. x 1 2 3 4 p(X=x) 0.1 2k k+0.1 k

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A: Here use concept of total arrangement  There are total 6 people 

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Q: 18. A basketball team plays eight games in a tournament against evenly matched teams (so we may assu...

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Q: For the sample: 45 84 73 58 54 73 52 60 51 80. Determine the variance and round answer to 2 decimal ...

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Q: How many 3 or 4 digit even numbers greater than 700 can be formed by: a. Using the digits 0-9. Re...

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Q: Prove by using a direct proof that if n is an odd number, then n2 is also odd.

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Q: A card is drawn from an ordinary deck. Match the following with their probabilities. 10 2 6 7 8 10 6...

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