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How much heat is evolved when 1249 g of water condenses to a liquid at 100.°C?
The amount of time devoted to preparing for a statistics examination by students is a normally distributed random variable with a mean of 17 hours and a standard deviation of 5 hours.
Required:
a) What is the amount of time below which only 15% of all students spend studying?
b) What is the amount of time above which only one third of all students spend studying? c) What is the probability that a student spends between 16 and 20 hours studying?
d) What is the probability that a student spends at least 15 hours studying?
e) What is the probability that a student spends at most 18 hours studying?
1.2 Explain how and who came up with these algebraic concepts or used these algebraic concepts developed over time:
1.2.1 Decimal Number System
1.2 2 Abstract Symbols
1.2.3 Negative Numbers
Create a Python code that will accept two numbers from the user and prints "True" if it satisfies the condition and "False" otherwise. Use comparison operators ">", "<=", "!=", ">=", and "<".
suppose f(z) =1/z. write f in the form f(z) = u(x,y) + iv(x,y), where z = x+iy and u and v are real-valued functions
Give an account of the total ATP yield when I molecule of glucose convert carbon dioxide and water
Two balls are drawn in succession without replacement from a box containing 9 black balls (B) and 7 white balls (W). Let Z be the random variable representing the number of white balls. Possible Outcomes Value of the Random Variable Z Number of White Balls (Z) Probab
- Briefly explain why we incubate the purified plasmid with the restriction enzymes, BamHI and XhoI, at exactly 37oC.
Assume the linear fit of the standard curve using DNSA absorbance at 540nm versus glucose concentration in M is y=0.002x + 0.003. Calculate the concentration of an unknown solution of glucose with DNSA absorbance at 540nm of 0.17.
The weights (lb) of discarded plastic from a random sample of 62 household has sample mean of
"\\bar{x}=1.911"
and a sample standard deviation of
"s=1.065"
.The sanitation department claims that the mean discarded plastic from all households is greater than 1.8 lb.Use a 0.05 significance to test this claim.What is the claim written in symbolic form?
