Final answer:
The student seems to be seeking a solution manual for a probability topic, possibly referring to 'Probability Devvar' due to typographical error. While specific solution manuals may be difficult to locate, explanations of probability distribution functions such as binompdf and geometpdf on calculators, as well as calculations of mean and standard deviations for binomial distributions, are provided.
Step-by-step explanation:
The student is asking for the solution manual for 'Probability Devar', which seems like a typographical error and could be referring to a probability textbook or resource. Since specific solution manuals are often restricted to instructors or not widely distributed, finding one might not be straightforward.
However, the question provided allows us to discuss various probability distribution functions (PDFs) including binompdf and geometpdf functions on calculators like the TI-83 or TI-84 series.
The binompdf function is used for calculating the probability of a given number of successes in a binomial experiment, and the geometpdf function is for calculating the probability of the first success occurring on a specific trial in a geometric experiment.
Probability Distribution Functions (PDFs) such as binompdf and geometpdf can be accessed through the calculator's second distribution menu (2nd DISTR).
For example, with the binompdf function, you provide the number of trials (n), the probability of success (p), and the exact value you're interested in to find the probability.
Similarly, you use geometpdf with the success probability (p) and the exact value. Moreover, for continuous distributions like the Student's t-distribution, functions such as tcdf can be utilized to find probabilities between two bounds with a given number of degrees of freedom.
The mean or expected value and standard deviation of probability distributions can be calculated using certain formulas. For a binomial distribution, this would be expressed as μ = np and σ² = npq (where μ is the mean, σ² is the variance, σ is the standard deviation, n is the number of trials, p is the probability of success, and q is the probability of failure).