Mathematics

Mathematics, 21.07.2019 05:30, alondrahernande3

The random variable x represents the number of cars per household in a town of 1000 households. find the probability of randomly selecting a household that has at least one car.

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Mathematics, 02.08.2019 04:00, ameliaduxha7

Arandom sample of 30 households was selected from a particular neighborhood. the number of cars for each household is shown below. estimate the mean number of cars per household for the population of households in this neighborhood. give the 95% confidence interval. a. 1.14 to 1.88 b. 1.12 to 1.88 c. 1.12 to 1.98 d. 1.14 to 1.98

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Mathematics, 31.08.2019 11:30, IsaacRodriguez245

Asurvey was conducted among 150 households to find the number of pets they owned. the resulting data is shown in the table. which statement is true based on the frequency data in the table? answer choices the probability of a household having less than 5 pets is 0.12. the probability of a household having at least 5 pets is 0.12. the probability of a household having less than 3 pets is 0.70. the probability of a household having at least 3 pets is 0.70.

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Mathematics, 26.10.2019 01:43, karkarntx

According to a survey of american households, the probability that the residents own 2 cars if annual household income is over $50,000 is 80%. of the households surveyed, 60% had incomes over $50,000 and 70% had 2 cars. the probability that the residents of a household do not own 2 cars and have an income over $50,000 a year is (a) 0.12. (b) 0.18. (c) 0.22. (d) 0.48.

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Mathematics, 11.11.2019 18:31, officialgraciela67

The us energy department states that 60% of all us households have ceiling fans. in addition, 29% of all us households have an outdoor grill. suppose 13% of all us households have both a ceiling fan and an outdoor grill. a us household is randomly selected. a) what is the probability that the household has a ceiling fan or an outdoor grill? b) what is the probability that the household has neither a ceiling fan nor an outdoor grill? c) what is the probability that the household does not have a ceiling fan and has an outdoor grill? d) what is the probability that the household does have a ceiling fan and does not have an outdoor grill?

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The random variable x represents the number of cars per household in a town of 1000 households. find...

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