Pandora, the owner of a food delivery app, knows from experience that the time needed to assemble a food delivery is normally distributed with a mean of 30 minutes and standard deviation of 5 minutes. a. Find the proportion of food deliveries that took less than 16 minutes to assemble. ✓ [Select ] 0.01743 0.00256 0.98257 0.75923

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Q: a. P(Z -1.76). P(Z > 2.42). b. C.

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A: The coin is biased Getting a head is a success = 0.6 Getting a tail is a failure = 0.4 Outcomes of…

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Q: Which is the expectation for a binomial distribution? O a) 3/ о b) np

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Q: ory 31 A test was given to a group of students. The grades and gender are summarized below A B C…

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Q: D E Totals A 0.10 0.30 0.40 B 0.25 0.05 0.30 C 0.10 0.20 0.30 Totals 0.45 0.55 1.00

A:

Q: a random variable has probability distribution: x= 0,1,2,3,4,5,6,7 and P(x) =0,k,2k,2k,3k,k*k, 2k*k,…

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A: Here Given  Grades in statistics class are weighted as Tests are worth 50% of grade, homework is…

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A: The provided example is  The probability of choosing 6 numbers from 1 to 38 that match 6 numbers…

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A: n = 10 questions true false questions  so p(correct guess) = p = 1/2 x = no. of correct answer by…

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Q: P(-2<Z<2)=

A: P(-2&lt;Z&lt;2)= (four decimal places)

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Q: e final exams were as in the follow . Therefore, the grade of the stud

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Q: What is the expected outcome in a fair game?

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Q: 13. A jar contains 5 red marbles, 3 green marbles, and 4 blue marbles. If a marble is drawn at…

A: Formula : Probability = number of favorable outcome/Total number of outcomes

Q: J 2 please just right answer

A: Many events cannot be predicted with total certainty. the most effective we will say is how likely…