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A seed company has a test plot in which it is testing the germination of a hybri

ID: 3058007 • Letter: A

Question

A seed company has a test plot in which it is testing the germination of a hybrid seed. They plant 50 rows of 40 seeds per row. After a two-week period, the researchers count how many seed per row have sprouted. They noted the least number of seeds to germinate was 33, and some rows had all 40 germinate. The germination data is given below in the table. The random variable x represents the mumber of seed i'n a row that germinated and P() represents the probability of selecting a row with that number of seed germinating. (Round to the nearest thousandth.) 33 343 35 36 37 38 39 40 P(x) 0.02 0.06 0.10 0.20 0.24 026 0.10 0.02 15. Determine the mean for this discrete 16. Determine the standard deviation for this discrete probability distribution. probability distribution. 17. Decide whether the experiment is a binomial experiment and explain why. Selecting five cards, one at a time without replacement, from a standard deck of cards. The random variable is the number of picture cards obtained 18. The probability that a house in an urban area will develop a leak is 4%. If 39 houses are randomly selected, what is the probability that none of the houses will develop a leak? (Round to the nearest thousandth.) MacBook Air

Explanation / Answer

A seed company has a test plot in which it is testing the germination of a hybrid seed. They plant 50 rows of 40 seeds per row. After a two-week period, the researchers count how many seed per row have sprouted. They noted the least number of seeds to germinate was 33, and some rows had all 40 germinate. The germination data is given below in the table. The random variable x represents the mumber of seed i'n a row that germinated and P() represents the probability of selecting a row with that number of seed germinating. (Round to the nearest thousandth.) 33 343 35 36 37 38 39 40 P(x) 0.02 0.06 0.10 0.20 0.24 026 0.10 0.02 15. Determine the mean for this discrete 16. Determine the standard deviation for this discrete probability distribution. probability distribution. 17. Decide whether the experiment is a binomial experiment and explain why. Selecting five cards, one at a time without replacement, from a standard deck of cards. The random variable is the number of picture cards obtained 18. The probability that a house in an urban area will develop a leak is 4%. If 39 houses are randomly selected, what is the probability that none of the houses will develop a leak? (Round to the nearest thousandth.) MacBook Air

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