Question

A certain insecticide kills 60% of all insects in laboratory experiments. A sample of 7 insects...

A certain insecticide kills 60% of all insects in laboratory experiments. A sample of 7 insects is exposed to the insecticide in a particular experiment. What is the probability that exactly 5 insects will survive. Round your answer to 4 decimal places.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A certain insecticide kills 60% of all insects in laboratory experiments. A sample of 12 insects...
A certain insecticide kills 60% of all insects in laboratory experiments. A sample of 12 insects is exposed to the insecticide in a particular experiment. What is the probability that no more than 9 insects will die? Round your answer to four decimal places.
A certain insecticide kills 70 % of all insects in laboratory experiments. A sample of 11...
A certain insecticide kills 70 % of all insects in laboratory experiments. A sample of 11 insects is exposed to the insecticide in a particular experiment. What is the probability that less than 4 insects will die? Round your answer to four decimal places.
Twenty percent of all telephones of a certain type are submitted for service while under warranty....
Twenty percent of all telephones of a certain type are submitted for service while under warranty. Of these, 60% can be repaired, whereas the other 40% must be replaced with new units. If a company purchases ten of these telephones, what is the probability that exactly two will end up being replaced under warranty? (Round your answer to three decimal places.)
At a certain college, 50% of all students take advantages of free tutoring services. A sample...
At a certain college, 50% of all students take advantages of free tutoring services. A sample of 36 Students is selected. What is the probability that the proportion of students who take advantage of free tutoring services in the sample is between 0.482 and 0.580? Write only a number as your answer. Round to 4 decimal places (for example 0.3748). Do not write a percentage.
At a certain college, 50% of all students take advantage of free tutoring services. A sample...
At a certain college, 50% of all students take advantage of free tutoring services. A sample of 36 students is selected. What is the probability that the proportion of students who take advantage of free tutoring services in the sample is between 0.477 and 0.580? Write only a number as your answer. Round to 4 decimal places (for example 0.3748). Do not write as a percentage.
At a certain college, 50% of all students take advantage of free tutoring services. A sample...
At a certain college, 50% of all students take advantage of free tutoring services. A sample of 36 students is selected. What is the probability that the proportion of students who take advantage of free tutoring services in the sample is between 0.489 and 0.580? Write only a number as your answer. Round to 4 decimal places (for example 0.3748). Do not write as a percentage.
Suppose that 12% of a certain large population of people are left-handed. A simple random sample...
Suppose that 12% of a certain large population of people are left-handed. A simple random sample of 9 people is selected from this population. Find the following probabilities. a) What is the probability exactly 3 people in the sample are left-handed? Round to four decimal places. Answer b) What is the probability that 2 or less people in the sample are left-handed? Round to four decimal places. Answer
A sample of 60 mutual funds was taken and the mean return in the sample was...
A sample of 60 mutual funds was taken and the mean return in the sample was 13% with a standard deviation of 6.9%. The return on a particular index of stocks (against which the mutual funds are compared) was 11.5%. When testing the hypothesis (at the 5% level of significance) that the average return on actively-managed mutual funds is higher than the return on an index of stocks, what is the p-value? (please round your answer to 4 decimal places)
Suppose 75% of all farms in a certain state produce corn. A simple random sample of...
Suppose 75% of all farms in a certain state produce corn. A simple random sample of 60 the state's farms is drawn. (Use technology. Round your answers to three decimal places.) (a) Find the probability that 50 or fewer farms in this sample produce corn. (b) Find the probability that the number of farms producing corn is between 40 and 50, inclusive. That is, find P(40 ≤ x ≤ 50).
Suppose 80% of all farms in a certain state produce corn. A simple random sample of...
Suppose 80% of all farms in a certain state produce corn. A simple random sample of 60 the state's farms is drawn. (Use technology. Round your answers to three decimal places.) Find the probability that the number of farms producing corn is between 40 and 50, inclusive. That is, find P(40 ≤ x ≤ 50).