Suppose 15% of adults in a certain country work from home. If we want to find the probability that fewer than 30 out of a random sample of 300 adults will work from home, 1. What is the associated z-score (to 2 decimals)? Z = 2. What is the probability? 30 (Round to 4 decimals.) 300

Q: A certain brand of cars captured 16.8% of the market. If 3 cars are selected at random, the…

A: ∈(X) = ΣX.P(X)

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A: The given values are:Proportion of girls in the population (p) = 56% = 0.56Sample size (n) =…

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A:

Q: You are randomly selecting a sample of 15 participants for your research. The probability of…

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Q: the age of Subject #101 is 71. Divide that age by 10 and put a % on it.  That is the probability of…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

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Q: 1. The average number of liters of fresh milk that a person consumes in a month is 18 iters. Assume…

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A: select 5 patients out of 27 patients. what is probability that he selects 5 highest measures.

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Q: Suppose 57% of the population has a college degree. If a random sample of size 770 is selected,…

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A: Given data,p=0.4n=20P(X=5)=?

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Q: A carnival game consists of choosing a rubber duck from a kiddie pool. If the duck has a red dot on…

A: There are 10 ducks in the pool, and 2 of them have red dots.

Q: know the answer is 0.0166. I am struggling to remember the steps to get the answer. The image is to…

A:

Q: Suppose 52% of the students in a university are baseball players. If a sample of 436 students is…

A: Given thatThe proportion of the students in a university are baseball players = 0.52Total sample…

Q: 17. The probability that a high school student has smoked marijuana is 38%. If 12 high school…

A:

Q: n = 143 is the number of M&Ms in my bag and x =6 is my count for Green M&Ms. Using the sample of n…

A: Answer :- Given,  n = 143 is the number of M&Ms in my bag                  and x =6 is my count…

Q: 35% of all college students major in STEM (Science, Technology, Engineering, and Math). If 41…

A: Here,  and .The pmf of binomial distribution is,

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A: 100 Megabytes (MB) = 838,860,800 Bits Bit Error Rate= Number of bits having error/ Total bits…

Q: What is the probability that the sample proportion is greater than 0.61? b. What is the probability…

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Q: A population proportion is 0.61. Suppose a random sample of 655 items is sampled randomly from this…

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Q: 38. A jar contains 6 red balls, 5 green balls, and 4 blue balls. If a ball is chosen random, find…

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Q: In one Introductory Statistics class, the probability that a student will pass the first test is…

A: events: A: pass first test  B: pass second test   P(A) = 0.55         P(A') = 1 - 0.55 = 0.45 P(B|A)…

Q: A survey shows that about 60% (i.e., 0.6) of all students know the Help YourMath YouTube channel in…

A: Note :“Since you have posted multiple questions with multiple sub parts, we will provide the…

Q: A survey indicates that 65% of people prefer coffee over tea. If 20 people are randomly selected,…

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Q: Suppose 50 % of politicians are lawyers. If a random sample of size 518 is selected, what is the…

A: Consider that p is proportion of all politicians.

Q: What is the probability that of the 77 people selected more that 50% will have a cat at home.

A: It is given that Sample size n = 77 Population proportion = 0.3313

Q: There are 14 red marbles, 9 white, and 10 black marbles in a box. What is the probability of…

A: