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Questions
1. A genetic experiment with peapods resulted in one sample of offspring that consisted of 443 green peapods and 170 yellow peapods. Construct a 95% confidence interval to estimate the true percentage of yellow peapods.
2. A random sample of the birth weights of 186 babies has a mean of 3103 grams and a standard deviation of 700 grams. Construct a 98% confidence interval estimate of the mean birth weight for all such babies.
3. Salaries of 31 college professors who took a geology course in college have a mean of $58,000 and a standard deviation of $16,954. Construct a 90% confidence interval estimate of the population standard deviation of all such professors.
Least squares method
making sample means ,propotions,slopes on excell
54% of teens own a music player, the probability that both the parent and the teen own music player is 0.264, what is the probability that parent owns music player given that teen
Barker Company has a single product called a Zet. The company normally produces and sells 80,000 Zets each year at a selling price of $40 per unit. The company’s unit costs at this
Why are Jovian moons more geologically active than small rocky planets? - Ices deform and melt at much lower temperatures than rock, allowing icy volcanism and tectonics at sur
how do you interpret the correlation on the basis of probable error
A consumer product firm finds that its brand of laundry detergent is losing market share, so it decides that it needs to "freshen" the product. One strategy is to maintain the curr
1.) Two dice are rolled and the sum is calculated. Let X represent the sum of the two dice. Construct a probability distribution expressing probabilities in fractional form. 2
#question:how cost classification can helpful for planning, controlling and decision making
A researcher is interested in the relationship between fathers' performance in high school and their children's social skills. She obtains the high school transcripts of fathers a
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