Numerade

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Question 21 options: A marketing firm is considering making up to three new hires. Given its specific needs, the management feels that there is a 60% chance of hiring at least two candidates. There is only a 5% chance that it will not make any hires and a 10% chance that it will make all three hires. Find the expected value of the number of hires. NOTE: Round your answer to two decimal places.

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the equation of the circle of center (-3,6) and radius 10 is x^2 6x y^2-12y=k what is the value of k

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In an apparatus with a 9.4-T magnetic field, what energy is needed to flip a proton ($$\mu$$ = 1.41 × $$10^{-26}$$ A - $$m^2$$) from parallel to antiparallel to the field? Express your answer in microelectronvolts.

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3. What property of radioactivity allows it to be detected by a Geiger counter? a. the ability of a nucleus to decompose into alpha particles b. the ability of radioactive particles to ionize atoms C. the ability of gamma radiation to penetrate multiple point sources d. the value of the binding energy calculation to predict radiation e. none of the above Letter answer to question #3:

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Question 14 0.5 pts The local animal shelter sends you cute return address labels with cuddly kittens on them. They are hoping that you will send a donation based on the effects of: the compliance principle. the lowball technique. the foot-in-the-door technique. the reciprocity principle.

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Question 6: Assume the probability that a colony will form on a petri dish within two days is 0.7. Consider a random sample of 10 innoculated petri dishes. Assume that the formation of a colony in a petri dish is inde- pendent of the formation of a colony in the other petri dishes. Let X be the number of petri dishes where bacterial colonies appear within two days after innoculation.(a) Give the distribution of X.(b) What is the probability that exactly 8 petri dishes will have coloniesforming within two days after innoculation?(c) Give the mean of the number of petri dishes where bacterial colonies appear within two days after innoculation.(d) Give the standard deviation of the number of petri dishes where bac- terial colonies appear within two days after innoculation.

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What is an example of a velocity? Circle one a) A Bald Eagle flying South at 5(m)/(s) b) Driving a truck across town (c) A basketball thrown at 2.5(m)/(s) d) A friend walking north on a hiking trail

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If poured agar is allowed to cool properly, the agar surface will be Multiple choice question. lumpy. smooth. colorless.

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Solve the following system of equations. ⎧ ⎪ ⎨ ⎪ ⎩ − x − 2 y + 3 z = 1 − 2 x − 3 y + 2 z = 13 − 4 x + y − 2 z = 15 Give your answer as an ordered triple ( x , y , z ) .

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The process that destroys or removes all microorganisms and microbial forms including bacterial endospores is called Group of answer choices disinfection. sterilization. antisepsis. sanitization.

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edward o.