Exercise 1.
RANDOM 500 C1;
POISSON 1.
# Give title to graph.
Etc.

Exercise 2.
# Label columns ‘N’ for no. of calls; ‘R’ for possible values of variate; ‘O’ for observed frequencies; ‘x’ for values of Poisson variable; ‘F(x)’; ‘DF(x)’; ‘EE’ for expected frequencies; ‘E’ for expected frequencies to be used in test; ‘Z’ for components of Xsquared.
# Enter data in N
TALLY N;
STORE R O.
LET K1 = MEAN(O)
# Calculate expected frequencies and Xsquared as in hint, Chapter 19(1), parts (ii), (iii) and (iv).

Exercise 3.
# Label columns ‘R’ ‘Bin’ ‘Poiss’
PDF ‘R’ ‘Bin’;
BINOMIAL 10 0.1.
PDF ‘R’ ‘Poiss’;
POISSON 1.
# etc.

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