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Problem: Python eggs. How is the hatching of water python eggs influenced by the temperature of the snake's nest? Researchers placed 104 newly laid eggs in a hot environment, 56 in a neutral environment, and 27 in a cold environment. Hot duplicates the warmth provided by the mother python. Neutral and cold are cooler, as when the mother is absent. The results: 75 of the hot eggs hatched, along with 38 of the neutral eggs and 16 of the cold eggs.16
Required:
(i) Make a two-way table of "environment temperature" against "hatched or not."
(ii) The researchers anticipated that eggs would hatch less well at cooler temperatures. Do the data support that anticipation?
Fifteen weeks later we learn that Jasmine did, indeed, pass the course. What is the probability that she was enrolled in Professor Normal"s section?
What is the probability that at least 5 were able to recover from the theft in one week to one month? What is the probability that no more than 4 were able to recover from the theft in one week to one month?
patients who have artificial hip-replacement surgery experience pain the first day after surgery. typically the pain is
The faculty senate at a large university wanted to know what proportion of the students thought foreign language classes should be required for everyone.
What is the probability that among 10 true hypertensives at least 50% are being treated appropriately and are complying with this treatment?
In a Little League baseball game, team A s pitcher throws a strike 50% of the time and a ball 50% of the time, successive pitches are independent of one another, and the pitcher never hits a batter. Knowing this, team B s manager has instructed th..
Assume that customers enter a store at the rate of 60 persons per hour. a) what is the probability that during 5 minutes interval no one will enter the store?
Calculate the mean, median, and mode for the total murders in the top 20 states. Calculate the standard deviation and variance for the total murders in the top 20 states
Powerball is a lottery game. It involves choosing five white balls from a drum containing 55 balls and one red ball from a drum containing 42 balls. A player must match all five white balls and the red ball to win the jackpot.
If four students are to be randomly selected from this group, find the probability that exactly two undergraduates will be among the four chosen.
We want to test a hypothesis at the .01 level of significance. Based on your computations, would we reject or fail to reject the null hypothesis?
q1. the mcdougal sandwich shop has two windows available for serving customers who arrive at a poisson rate of 40hr.
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