Suppose the number of radios in a housenblu has distribution with parameters n = 10, and p = 20 %. Find the probability of a household having: (a) 6 or 8 radios. (b) 6 or fewer radios (c) 6 or more radios. (d) fewer than 8 radios (e) more than 6 radios

Q: Defects occur at random in planks of wood with an average of 0.5 per 10 cm length. Office building…

A:

Q: The distribution of birth weights (in g) for babies is approximately ?(2750, 560). What is the…

A: We have given that,  If babies birth weights follows normal distribution, with mean( Mu) =2750 and…

Q: A class has 18 boys and 12 girls. The teacher calls on students at random to recite. What is the…

A: Given that  Total students=18+12=30 Boys students=18 Girls students=12 Teacher calls on students at…

Q: Suppose there are many students like Judy (apply to 10 colleges, probability of acceptance is .4,…

A: Given that 10 colleges, probability of acceptance is 0.4 and number of acceptances is distributed…

Q: 2. From a box containing 4 dimes and 2 nickels, 3 coins are selected at random without replacement.…

A: To find the probability distribution for the total T of the 3 coins, we need to consider all…

Q: If the odds of winning on a scratch-off lottery ticket are 8:1,103, what is the probability of…

A: Let A be the event of getting winning on a scratch-off lottery ticket Odd against ratio=8:1103

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given thatThe proportion of eligible voters in the next election who will vote for the incumbent is…

Q: A test is conducted in a high-risk area during a pandemic. Of the 20 people who were tested, 7 are…

A: The total number of people tested are 20. The number of positive cases are 7. The number of negative…

Q: Jenna buys a bag of cookies that contains 7 chocolate chip cookies, 9 peanut butter cookies, 7 sugar…

A: To determine the probability that Jenna randomly selects a sugar cookie first and then an oatmeal…

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

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Q: The chance of rain is 20%, the chance of it being sunny is 60%, and the chance of it being sunny and…

A: Given that, The chance of rain is 20% The chance of it being sunny is 60% The chance of it being…

Q: Suppose two dice are tossed. Let X be the sum of the dots on the top faces of the two dice. Find the…

A: When two dice is thrown simultaneously, there are 36 outcomes .

Q: If 25 male college students are randomly​ selected, find the probability that their mean weight gain…

A: It is given that the mean is 1.2 and standard deviation is 5.6.

Q: The probability of success in the C.A. examination is 20%. If 20 batches of 5 students each take the…

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Q: Q4: what is the probability of choosing randomly (a) a boy, and (b) a girl from a group of people…

A: Probability is a measure of the likelihood of the occurrence of an event and the probability value…

Q: Assume you have a bag with 3 red beads and 1 green beads. What is the probability of drawing a red…

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Q: The average number of loaves of bread put on a shelf in a bakery in a half-hour period is 12. Of…

A: Given dataThe average number of loaves of bread put on a shelf in a bakery in a half-hour period is…

Q: Austin decided to give Taylor Swift another chance. So, he listened through all her songs from 2009.…

A: (a) The variable X is defined as ‘the number of songs in which she complained about some boy’. In…

Q: Suppose that the life span of a certain automobile tire is normally distributed, with μ = 25, 000…

A: Let X denote the life span of a certain automobile tire.Given that X follows a normal distribution…

Q: he proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given that The proportion of eligible voters in the next election who will vote for the incumbent is…

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 10. Find the…

A: Let X be the number of mice. The average number of field mice per acre is estimated to be 10.

Q: The average number of calls per minute received by a telephone switchboard is 120. What is the…

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Q: The proportion of male and female students in a class is found to be 1:2. What is the probability…

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Q: Max accidently mixed 56 turnip seeds with 78 cabbage seeds. Since the two seeds look nearly…

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Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Solution: From the given information, n = 410 and p = 0.527.

Q: The length of a fully grown plant is normally distributed and has a mean of 35cm. It is found that…

A: Solution: Let X be the length of a fully grown plant. From the given information, X follows normal…

Q: Assume that when adults with smartphones are randomly​ selected, 53​% use them in meetings or…

A: given data P(use smartphone in meeting or class) = p = 0.53sample size (n) = 5x = no. of adults use…

Q: A bowl contains 24 pieces of fruit, 6 oranges and 18 apples.  Two pieces of fruit are randomly…

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Q: Let the random variable x represent the number of girls in a family of 3 children.  Construct a…

A: Given that the random variable X represents the number of girls. n represents the total number of…

Q: In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the…

A: From the provided information, Guests who visit Yosemite National Park like to stay at an overnight…