Questions by Colin Harrington

Questions by Colin Harrington

What are the benefits of having emotions?

asked Mar 20, 2021

2 answers

0 votes

117k views

A student wants to estimate the mean score of all college students for a particular exam. First use the range rule of thumb to make a rough estimate of the standard deviation of those scores. Possible

asked Mar 10, 2021

1 answer

0 votes

51.3k views

PLZ HELP IMAGE BELOW THXS

asked Jan 28, 2021

1 answer

5 votes

19.0k views

Which choice correctly expresses the number below in the scientific notation?

asked Jan 18, 2021

2 answers

4 votes

21.9k views

A school newspaper reporter decides to randomly survey 17 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 23% of students attend

asked Jan 15, 2021

1 answer

3 votes

138k views

What would happen if we added acid to the starch solution before adding the amyloglucosidase enzyme?

asked Nov 3, 2020

2 answers

3 votes

102k views

Given the following events invloved in the regulation of blood volume, which of the following answers best represents the order in which these events occur? 1. sodium reabsorbed from distal tubules and

asked Feb 6, 2020

1 answer

0 votes

178k views

Let a < b be real numbers. Let X be a random variable such that it is known that a <= X <= b and for every subinterval of [a; b], the probability that X will belong to that subinterval is proportional to the length of that subinterval. Then we say X has the uniform distribution on the interval [a; b] and the probability density function of X is given by: {1/b-a if a<=x<=b 0 otherwiseand we write X- U(a,b)(a) Find E[X]. Does this agree with your intuition? (b) Show Var[X]= b^2-a^2/12 Hint: b^3- a^3 = (b- a) (b2^+ ab + a^2)(c) Find the c.d.f of X.

asked Jan 17, 2020

1 answer

1 vote

207k views

Ask Your Teacher (a) What is the difference between a sequence and a series? A sequence is an unordered list of numbers whereas a series is the sum of a list of numbers. A sequence is an ordered list of

asked Jan 15, 2020

1 answer

0 votes

201k views

Is the process by which we decide what other people are like and by which we give meaning to their actions?

asked Nov 18, 2019

1 answer

4 votes

60.8k views

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