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1. Find the area under the normal distribution curve between z = 1.52 and z = 2.43.
a) 0.929 b) 0.436 c) 0.493 d) 0.057
2. Find the area under the normal distribution curve to the right of z = -3.24.
a)0.499 b)-0.499 c)0.999 d)0.001
Sampling variability refers to the idea that different samples will include different individuals
You play a game with two possible outcomes. Outcome A has probability 0.4 and outcome B has probability 0.6. When B occurs you win $2.00; otherwise, you lose $1.00. What is your expected value for this game?
What is the probability that they all hit the target?
A statistics instructor wants to know which route will get her to school the fastest. Each day from October 2 to November 15, when she gets to the turn point she checks the odometer on her car
The sample size n, the sample means, and the sample standard deviations for the two groups are given
If a blue ball is selected you win nothing. Let X be the amount that you win. The expected value of X and let the random variable X be a random number with the uniform density curve given below
Questions based on binomial distribution, variance of the binomial distribution, discrete random variable and continuous random variables.
A noted psychic was tested for ESP. The psychic was presented with 400 cards face down and asked to determine if each card was marked with one of four symbols: a star, cross, circle, or square. The psychic was correct in 120 cases. Let p represent..
An experiment was carried out to assess the effects of four tomato varieties and four planting densities on yield. There were 64 plots, and each of the 16 factor combinations was randomly assigned to 4 plots
The alternative hypothesis is true. In this case the consumer advocacy group will have, A consumer advocacy group doubts this claim and tests the hypotheses
Find out the probability distribution, and the cumulative probability distribution of car arrivals.
The Pearson Product-Moment Correlation Coefficient (r) is a measure of linear relationship between two variables.
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